Acquisition method (AMC)
3
FSC 3110 × BEARING,ROLLER,TRACK ROLLER
BEARING,ROLLER,TRACK ROLLER
3110-01-503-0388 FSC 3110
NSN 3110-01-503-0388 (also written 3110015030388; NIIN 01-503-0388) is a bearing, roller, track roller in Federal Supply Class 3110, Bearings, Antifriction, 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
B
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
|---|---|
| INNER RING WIDTH AGVU | INCHES MINIMUM 0.6775 AND INCHES MAXIMUM 0.6925 |
| OUTER RING WIDTH AGVT | INCHES MINIMUM 0.6200 AND INCHES MAXIMUM 0.6250 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | ROLLER FED SPEC SINGLE TREATMENT RESPONSE QQ-C-320 QQ-C-320 |
| BORE DIAMETER ABXV | INCHES MINIMUM 0.3121 AND INCHES MAXIMUM 0.3127 |
| SURFACE TREATMENT SFTT | OUTER RING SIDES CHROMATE |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT SFTT | ROLLER CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OUTER RING SIDES FED SPEC SINGLE TREATMENT RESPONSE QQ-C-320 QQ-C-320 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 QQ--416 |
| OVERALL OUTSIDE DIAMETER ADGA | INCHES MINIMUM 1.1260 AND INCHES MAXIMUM 1.1270 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 78286--IL-B-3990 |
| STYLE DESIGNATOR STYL | — |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION LMDC | MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322 |
| MATERIAL MATT | OVERALL STEEL COMP E52100 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S-6440 |
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 |
|---|---|---|
| 38950-00909 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
| 38950-00909-102 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
| 38950-00909-102 | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. |
| 38950-00909-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
| 38950-00909-102 | 92563 | MCGILL MANUFACTURING CO, INC |
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 27, 2026
Last purchased
1 · 1.0/yr
Purchase records
$36,549
Total demand
$36,549
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 27, 2026 | SPE4A626PX567 ↗ | JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. | — | $36,549 |
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
JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC.
last award Aug 2026
MCGILL MANUFACTURING CO, INC
no award yet
no awards on record
Listed source RBC AIRCRAFT PRODUCTS, 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 SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
no award yet
no awards on record
Listed source JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. won the only award on record. JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. won without being a listed source.
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 28, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,ROLLER,TRACK ROLLER." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-01-503-0388/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-01-503-0388/