Acquisition method (AMC)
3
FSC 3110 × BEARING,BALL,ANNULAR
BEARING,BALL,ANNULAR
3110-00-860-6939 FSC 3110
NSN 3110-00-860-6939 (also written 3110008606939; NIIN 00-860-6939) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| OVERALL WIDTH ABMK | INCHES NOMINAL 0.3513 |
| BORE DIAMETER ABXV | MILLIMETERS NOMINAL 15.0 |
| OVERALL OUTSIDE DIAMETER ADGA | MILLIMETERS NOMINAL 32.0 |
| SURFACE FINISH AGYE | GROUND |
| RETAINER FABRICATION METHOD AGYF | MACHINED |
| LOAD DIRECTION AGZC | RADIAL |
| BORE SHAPE AGZD | STRAIGHT |
| INTERNAL CLEARANCE AKVV | INCHES MINIMUM RADIAL 0.0001 AND INCHES MAXIMUM RADIAL 0.0007 |
| STANDARD TOLERANCE DESIGNATION CTFZ | ABEC NO.1 |
| MATERIAL MATT | BALL STEEL COMP E52100 |
| MATERIAL MATT | INNER RING STEEL COMP E52100 |
| MATERIAL MATT | OUTER RING STEEL COMP E52100 |
| MATERIAL MATT | RETAINER COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | INNER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OUTER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | RETAINER ASSN STD SINGLE MATERIAL RESPONSE A-S 4616 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 234542 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 234543 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 261146 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-28QV | Sep 11, 2026 | Sep 18, 2026 | 37 | Expired | View at DIBBS → |
| SPE4A6-26-T-14JH | Aug 7, 2026 | Aug 14, 2026 | 241 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,BALL,ANNULAR." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-00-860-6939/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-00-860-6939/