Acquisition method (AMC)
1
FSC 3110 × BEARING,BALL,ANNULAR
BEARING,BALL,ANNULAR
3110-01-377-0303 FSC 3110
NSN 3110-01-377-0303 (also written 3110013770303; NIIN 01-377-0303) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 7 manufacturer part numbers from 4 suppliers 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 MINIMUM 0.4664 AND INCHES MAXIMUM 0.4724 |
| BORE DIAMETER ABXV | INCHES MINIMUM 0.6691 AND INCHES MAXIMUM 0.6693 |
| OVERALL OUTSIDE DIAMETER ADGA | INCHES MINIMUM 1.5746 AND INCHES MAXIMUM 1.5748 |
| SURFACE FINISH AGYE | GROUND |
| LOAD DIRECTION AGZC | RADIAL |
| BORE SHAPE AGZD | STRAIGHT |
| SPECIAL FEATURES FEAT | SPLIT INNER RING RETAINER. ABEC 7 |
| MATERIAL MATT | OVERALL STEEL COMP M50 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6491 |
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 |
|---|---|---|
| 169660 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY |
| 169660-2 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY |
| 169660-2 | 70854 | SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION |
| 169660-2 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION |
| 169660-2 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
| M2036X76 | 70854 | SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION |
| MTGR203SD603M2A7 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION |
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-36XB | Sep 25, 2026 | Oct 2, 2026 | 113 | Expired | View at DIBBS → |
| SPE4A6-26-T-31RV | Sep 17, 2026 | Sep 24, 2026 | 113 | Cancelled | 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/3110-01-377-0303/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/3110-01-377-0303/