Acquisition method (AMC)
1
FSC 3110 × RING,BEARING,INNER
RING,BEARING,INNER
3110-01-500-2507 FSC 3110
NSN 3110-01-500-2507 (also written 3110015002507; NIIN 01-500-2507) is a ring, bearing, inner in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 1 manufacturer part number from 1 supplier is 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)
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 |
|---|---|
| BORE DIAMETER ABXV | INCHES MINIMUM 102.2450 AND INCHES MAXIMUM 102.4250 |
| END ITEM IDENTIFICATION AGAV | M109 HOWITZER,2350-01-305-0028 |
| SURFACE FINISH AGYE | GROUND |
| SPECIAL FEATURES FEAT | QUENCH AND TEMPER THRU HARDEN TO ACHEIVE HRC 51 MIN SPEC MIL-H-6875 MIL-H-6875 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST-A580:420 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MIL STD SINGLE TREATMENT RESPONSE -IL-H-6875 |
| 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 |
|---|---|---|
| 12910571 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE |
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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-2914 | Oct 13, 2026 | Oct 20, 2026 | 1 | Expired | View at DIBBS → |
| SPE4A6-26-T-26HU | Sep 3, 2026 | Sep 10, 2026 | 24 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RING,BEARING,INNER." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-01-500-2507/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-01-500-2507/