Acquisition method (AMC)
1
FSC 3120 × BEARING,PLAIN,SELF-ALIGNING
BEARING,PLAIN,SELF-ALIGNING
3120-00-661-7127 FSC 3120
NSN 3120-00-661-7127 (also written 3120006617127; NIIN 00-661-7127) is a bearing, plain, self-aligning in Federal Supply Class 3120, Bearings, Plain, Unmounted. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 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)
Q
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. 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 |
|---|---|
| BORE DIAMETER ABXV | INCHES MINIMUM 0.2495 AND INCHES MAXIMUM 0.2500 |
| OUTER MEMBER OUTSIDE DIAMETER AGGF | INCHES MINIMUM 0.6557 AND INCHES MAXIMUM 0.6562 |
| OUTER MEMBER WIDTH AGGH | INCHES NOMINAL 0.2500 |
| LUBRICATION FEATURE CTLM | OUTER RACE MEMBER PERFORATION |
| MATERIAL MATT | INNER MEMBER STEEL COMP E52100 |
| MATERIAL MATT | OUTER RACE MEMBER STEEL |
| SURFACE TREATMENT SFTT | INNER MEMBER CHROMIUM |
| SURFACE TREATMENT SFTT | OUTER RACE MEMBER CADMIUM |
| LUBRICATION FEATURE CTLM | EXTERNAL OUTER MEMBER GROOVE |
| LUBRICATION FEATURE CTLM | INNER MEMBER PERFORATION |
| LUBRICATION FEATURE CTLM | INTERNAL INNER MEMBER GROOVE |
| HARDNESS RATING CQFM | INNER MEMBER ROCKWELL C NOMINAL 59.0 |
| HARDNESS RATING CQFM | OUTER RACE MEMBER ROCKWELL C NOMINAL 36.0 |
| INNER MEMBER WIDTH AGGJ | INCHES MINIMUM 0.3380 AND INCHES MAXIMUM 0.3430 |
| 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 |
|---|---|---|
| HSBG-4S | A0170 | LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE |
| HSBG4S | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS |
| RS4 | 99528 | RADIAL BEARING CORPORATION DBA RADIAL BEARING CORP OF CONNECTICU DIV RADIAL BEARING LLC |
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
$297.00
Purchases
1
Total spend
$2,079
Oct 8, 2026
Last purchased
5 · 5.0/yr
Purchase records
$9,270
Total demand
$297.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | 7 | $297.00 | $2,079 | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC (5V361) | 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 12, 2026 | SPE4A026P2395 ↗ | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | $1,164 |
| Sep 2, 2026 | SPE4A626P0J55 ↗ | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | $2,460 |
| Sep 8, 2026 | SPE4A626P0K91 ↗ | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | $2,079 |
| Oct 8, 2026 | SPE4A627P0337 ↗ | — | — | $1,488 |
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.
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
BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC
last award Sep 2026
LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE
no award yet
no awards on record
Listed source RADIAL BEARING CORPORATION DBA RADIAL BEARING CORP OF CONNECTICU DIV RADIAL BEARING LLC
no award yet
no awards on record
Listed source SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS
no award yet
no awards on record
Listed source BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC won the only award on record. BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-16WB | Aug 14, 2026 | Aug 21, 2026 | 7 | Expired | View at DIBBS → |
| SPE4A6-26-T-14AB | Aug 7, 2026 | Aug 19, 2026 | 6 | 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: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,PLAIN,SELF-ALIGNING." nsnexplorer.com, https://nsnexplorer.com/nsn/3120-00-661-7127/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3120-00-661-7127/