Acquisition method (AMC)
1
FSC 3120 × BEARING,SLEEVE
BEARING,SLEEVE
3120-01-286-8031 FSC 3120
NSN 3120-01-286-8031 (also written 3120012868031; NIIN 01-286-8031) is a bearing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 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)
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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 LENGTH ABHP | INCHES MINIMUM 0.6250 AND INCHES MAXIMUM 0.6300 |
| BODY OUTSIDE DIAMETER ADAR | INCHES MINIMUM 1.3268 AND INCHES MAXIMUM 1.3271 |
| BODY INSIDE DIAMETER ADAS | INCHES MINIMUM 1.1260 AND INCHES MAXIMUM 1.1270 |
| CORNER SHAPE BZLX | ALL CORNERS SQUARE |
| MATERIAL MATT | INNER LAYER PLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYAMIDE NYLON AND PLASTIC PHENOLIC |
| MATERIAL MATT | OUTER LAYER STEEL COMP 630 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OUTER LAYER ASSN STD SINGLE MATERIAL RESPONSE A-S 5643 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | INNER LAYER MIL SPEC SINGLE MATERIAL RESPONSE -IL-B-81820 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| 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 |
|---|---|---|
| HS5443-0003 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
| HS5443-3 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
| HS5443-3 | 50632 | KAMATICS CORPORATION |
| HS5443-3 | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. |
| HS5443-3 | 8V613 | THE BOEING COMPANY |
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
—
Aug 19, 2026
Last purchased
1 · 1.0/yr
Purchase records
$6,030
Total demand
$6,030
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 |
|---|---|---|---|---|
| Aug 19, 2026 | SPE4A626PN132 ↗ | MECHATRONICS, INC DBA NATIONAL PRECISION BEARING | — | $6,030 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 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
MECHATRONICS, INC DBA NATIONAL PRECISION BEARING
last award Aug 2026
KAMATICS CORPORATION
no award yet
no awards on record
Listed source MCDONNELL DOUGLAS HELICOPTER CO INC
no award yet
no awards on record
Listed source ROLLER BEARING COMPANY OF AMERICA, INC.
no award yet
no awards on record
Listed source THE BOEING COMPANY
no award yet
no awards on record
Listed source MECHATRONICS, INC DBA NATIONAL PRECISION BEARING won the only award on record. MECHATRONICS, INC DBA NATIONAL PRECISION BEARING won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-15UP | Aug 13, 2026 | Aug 20, 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,SLEEVE." nsnexplorer.com, https://nsnexplorer.com/nsn/3120-01-286-8031/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3120-01-286-8031/