Acquisition method (AMC)
5
FSC 5905 × RESISTOR,VARIABLE,WIRE WOUND,PRE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5905-01-149-6939 FSC 5905
NSN 5905-01-149-6939 (also written 5905011496939; NIIN 01-149-6939) is a resistor, variable, wire wound, pre in Federal Supply Class 5905, Resistors. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought from a sole-source contractor that is not the actual manufacturer (AMC 5).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 5: buy from a sole-source contractor that is not the actual manufacturer. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| SECTION QUANTITY AAPN | 2 |
| BODY STYLE AAQL | — |
| RELIABILITY INDICATOR AARG | NOT ESTABLISHED |
| PILOT DIAMETER AAVL | INCHES MAXIMUM 0.7500 |
| PILOT LENGTH AAVM | INCHES NOMINAL 0.0620 |
| OVERALL LENGTH ABHP | INCHES MAXIMUM 1.321 |
| UNDERCUT DIAMETER ABPA | INCHES NOMINAL 0.780 |
| UNDERCUT WIDTH ABPC | INCHES MINIMUM 0.0570 |
| BODY DIAMETER ABPM | INCHES NOMINAL 0.875 |
| SHAFT DIAMETER ABWV | INCHES MAXIMUM 0.1248 |
| SHAFT LENGTH ABXF | INCHES NOMINAL 0.500 |
| BODY LENGTH ADAQ | INCHES MAXIMUM 0.790 |
| OVERALL DIAMETER ADAV | INCHES MAXIMUM 1.200 |
| MOUNTING LIP DIAMETER AECZ | INCHES NOMINAL 0.8750 |
| MOUNTING LIP DEPTH AEDA | INCHES NOMINAL 0.0620 |
| SHAFT STYLE AEDX | — |
| ACTUATOR TYPE AEFD | SINGLE SHAFT |
| EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION AEFH | NOMINAL 350.0 |
| MAXIMUM STARTING TORQUE AEFK | INCH-OUNCES 0.27 |
| MAXIMUM RUNNING TORQUE AEFL | INCH-OUNCES 0.27 |
| SHAFT END PLAY AEFY | INCHES 0.005 |
| SHAFT RUNOUT AEFZ | INCHES 0.001 |
| LATERAL RUNOUT AEGA | INCHES 0.002 |
| PILOT DIAMETER RUNOUT AEGB | INCHES 0.001 |
| SHAFT RADIAL PLAY AEGC | INCHES 0.003 |
| MECHANICAL BACKLASH IN DEG ANGULAR ROTATION AEGD | 0.1 |
| FRAGILITY FACTOR AFJN | MODERATELY RUGGED |
| MOUNTING METHOD AXGY | CLAMP RING(S) |
| BEARING TYPE BYDT | SHAFT BALL |
| FEATURES PROVIDED CBBL | HUMIDITY PROOF |
| ELECTRICAL RESISTANCE PER SECTION CQCC | KILOHMS ALL SECTIONS 25.0 |
| ROTARY ACTUATOR TRAVEL IN ANGULAR DEG CQCK | NOMINAL 360.0 |
| FUNCTION CONFORMITY TOLERANCE PER SECTION CQFL | ALL SECTIONS -0.50 TO 0.50 |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER CQGN | ALL SECTIONS 125.0 |
| TERMINAL LOCATION CQTM | LOCATION NOT OTHERWISE SPECIFIED RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| POWER DISSIPATION RATING PER SECTION IN WATTS CRGD | FREE AIR ALL SECTIONS 1.0 |
| FUNCTION CONFORMITY PER SECTION CRGM | ALL SECTIONS INDEPENDENT LINEARITY |
| RESISTANCE TOLERANCE PER SECTION IN PERCENT CRSS | ALL SECTIONS -3.0 TO 3.0 |
| ACTUATOR TRAVEL CONTROL FEATURE CRSX | CONTINUOUS MOTION |
| FUNCTION CHARACTERISTIC PER SECTION CSBX | ALL SECTIONS LINEAR |
| TEMP COEFFICIENT OF RESISTANCE WIRE PER SECTION IN PPM PER DEG CELSIUS CSCY | ALL SECTIONS -20.0 TO 20.0 |
| AMBIENT TEMP IN DEG CELSIUS PER SECTION AT FULL RATED POWER CSDH | ALL SECTIONS 70.0 |
| PRECIOUS MATERIAL AND LOCATION PMLC | GOLD TER-INAL SURFACES |
| PRECIOUS MATERIAL PRMT | GOLD |
| TERMINAL TYPE AND QUANTITY TTQY | TURRET 6 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 3111 | 22978 | MEASUREMENT SYSTEMS INC |
| 503111 | 22978 | MEASUREMENT SYSTEMS INC |
| 6530S-428-253/253 | 32997 | BOURNS INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$1,050.00
Purchases
1
Total spend
$3,150
Aug 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$6,300
Total demand
$1,050.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | 3 | $1,050.00 | $3,150 | SERVO INSTRUMENT CORPORATION (19176) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 19, 2026 | SPE7M126P9755 ↗ | SERVO INSTRUMENT CORPORATION | — | $3,150 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
SERVO INSTRUMENT CORPORATION
last award Aug 2026
BOURNS INC
no award yet
no awards on record
Listed source MEASUREMENT SYSTEMS INC
no award yet
no awards on record
Listed source SERVO INSTRUMENT CORPORATION won the only award on record. SERVO INSTRUMENT CORPORATION won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M5-26-T-376U | Aug 7, 2026 | Aug 17, 2026 | 3 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RESISTOR,VARIABLE,WIRE WOUND,PRE." nsnexplorer.com, https://nsnexplorer.com/nsn/5905-01-149-6939/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5905-01-149-6939/