Acquisition method (AMC)
1
FSC 3110 × SEAT,BEARING
SEAT,BEARING
3110-01-165-2528 FSC 3110
NSN 3110-01-165-2528 (also written 3110011652528; NIIN 01-165-2528) is a seat, bearing in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-9340 | 50 | Closes in 6d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 3.6180 AND INCHES MAXIMUM 3.6200 |
| OVERALL WIDTH ABMK | INCHES MINIMUM 0.4960 AND INCHES MAXIMUM 0.4980 |
| SPECIAL FEATURES FEAT | SPHERICAL RADIUS OF ID COATED WITH KARON V,FSCM 50632; 3 MICRONICH FINISH AFTER COATING ON 1.5620 IN. MIN,1.5630 IN. MAX SPHERICAL RADIUS |
| MATERIAL MATT | OVERALL STEEL COMP E4340 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5000 |
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 |
|---|---|---|
| 70250-34072-103 | 54878 | ROTAIR AEROSPACE CORP |
| 70250-34072-103 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
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
$977.8756
Purchases
1
Total spend
$40,093
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$80,186
Total demand
$977.8756
Latest unit price
Purchase history
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 23, 2026 | SPE4A626P0ZU5 ↗ | — | — | $40,093 |
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.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
CAGE 771V6
last award Sep 2026
ROTAIR AEROSPACE CORP
no award yet
no awards on record
Listed source SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
no award yet
no awards on record
Listed source CAGE 771V6 won the only award on record. CAGE 771V6 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-9340 | Nov 6, 2026 | Nov 13, 2026 | 50 | Open | View at DIBBS → |
| SPE4A6-26-T-16QR | Aug 14, 2026 | Aug 21, 2026 | 41 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAT,BEARING." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-01-165-2528/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-01-165-2528/