Acquisition method (AMC)
1
FSC 3110 × BEARING,BALL,ANNULAR
BEARING,BALL,ANNULAR
3110-00-858-2670 FSC 3110
NSN 3110-00-858-2670 (also written 3110008582670; NIIN 00-858-2670) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 10 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 | MILLIMETERS NOMINAL 7.0 |
| BORE DIAMETER ABXV | MILLIMETERS NOMINAL 17.0000 |
| OVERALL OUTSIDE DIAMETER ADGA | MILLIMETERS NOMINAL 30.0000 |
| SURFACE FINISH AGYE | GROUND |
| RETAINER FABRICATION METHOD AGYF | MACHINED |
| LOAD DIRECTION AGZC | RADIAL |
| BORE SHAPE AGZD | STRAIGHT |
| INTERNAL CLEARANCE AKVV | INCHES MINIMUM RADIAL 0.0005 AND INCHES MAXIMUM RADIAL 0.0009 |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| STANDARD TOLERANCE DESIGNATION CTFZ | ABEC NO.5 |
| SPECIAL FEATURES FEAT | ITEM OF SUPPLY IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION. A FAILURE COULD CAUSE CATASTROPHIC OR CRITITCAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT OR WEAPON SYSTEM OR AN UNCOMMANDED ENGINE SHUTDOWN THAT JEOPARDIZES SAFETY.ACTION ID 45584969 |
| MATERIAL MATT | BALL STEEL |
| 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 SAE 5100 SAE 5100 |
| 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 6416 |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER LATE |
| PRECIOUS MATERIAL PRMT | SILVER |
| SPECIAL TEST FEATURES SPCL | MATERIAL: OUTER RING: AMS 6440, HARDNESS: ROCKWELL C-58 MININUM OR EQUIVALENT; INNER RING: AMS 6440, HARDNESS: ROCKWELL C-58 MINIMUM OR EQUIVALENT; BALLS-AMS 6440, HARDNESS: ROCKWELL C-58 MINIMUM OR EQUIVALENT; CAGE: AMS 4616 FORGED SILICON BRONZE; SILVER PLATE AMS 2412 NO STRIKE METAL; REQUIRED BAKE: 475-500 DEGREES FAHRENHEIT FOR 2HRS TO CHECK BOND-PLATE .0005-.0015" THICK ON LAND RIDING SURFACES AND BALL POCKETS; BALLS AND RINGS MUST BE STABILIZED FOR MINIMUM DISTORTION AT 400 DEGREES FAHRENHEIT AMS 6440 |
| 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 |
|---|---|---|
| 380005 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 380006 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 380006 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 457525 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 457526 | 38443 | SKF USA INC. |
| 457526 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 799764 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 799764 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 799764 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION |
| 799838 | 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
—
Sep 1, 2026
Last purchased
1 · 1.0/yr
Purchase records
$185,190
Total demand
$185,190
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 1, 2026 | SPE4A626PM505 ↗ | SKF USA INC. | — | $185,190 |
Demand history
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
SKF USA INC.
last award Sep 2026
NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION
no award yet
no awards on record
Listed source RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
no award yet
no awards on record
Listed source RTX CORPORATION DIV PRATT & WHITNEY
no award yet
no awards on record
Listed source SKF USA INC. won the only award on record.
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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-26.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,BALL,ANNULAR." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-00-858-2670/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-00-858-2670/