Acquisition method (AMC)
1
FSC 1620 × COLLAR,FRICTION
COLLAR,FRICTION
1620-01-051-0371 FSC 1620
NSN 1620-01-051-0371 (also written 1620010510371; NIIN 01-051-0371) is a collar, friction in Federal Supply Class 1620, Aircraft Landing Gear Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 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)
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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | ROLL POSITIONER P/N4G14551-101A,MAIN LANDING GEAR,C5A ACFT |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | ALUMINUM BRONZE ALLOY NUMBER 642 ANNEALED,QQ-C-465,2.125 IN. OD,1.21IN. ID,0.315 IN. L,THREE 0.120 IN. W,0.342 IN. DP SLOTS AND ONE SLOT 0.120 IN. W,THROUGH TO ID,EQUALLY SPACEDON OD QQ-C-465 |
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 |
|---|---|---|
| 4G14607-101A | 5H860 | THOMAS INSTRUMENT, INCORPORATED |
| 4G14607-101A | 65910 | MAYDAY MANUFACTURING CO. |
| 4G14607-101A | 92037 | ESSNER PRECISION MANUFACTURING LLC DBA PRECISION MANUFACTURING CO OF FORT WORTH |
| 4G14607-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS 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
$43.88
Purchases
1
Total spend
$4,344
Sep 24, 2026
Last purchased
2 · 2.0/yr
Purchase records
$8,688
Total demand
$43.88
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | 99 | $43.88 | $4,344 | ALAMO AIRCRAFT, LTD. (55345) | 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 |
|---|---|---|---|---|
| Sep 24, 2026 | SPE4A726V4989 ↗ | ALAMO AIRCRAFT, LTD. | — | $4,344 |
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
ALAMO AIRCRAFT, LTD.
last award Sep 2026
ESSNER PRECISION MANUFACTURING LLC DBA PRECISION MANUFACTURING CO OF FORT WORTH
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
no award yet
no awards on record
Listed source MAYDAY MANUFACTURING CO.
no award yet
no awards on record
Listed source THOMAS INSTRUMENT, INCORPORATED
no award yet
no awards on record
Listed source ALAMO AIRCRAFT, LTD. won the only award on record. ALAMO AIRCRAFT, LTD. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A7-26-T-777T | Sep 21, 2026 | Sep 28, 2026 | 99 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COLLAR,FRICTION." nsnexplorer.com, https://nsnexplorer.com/nsn/1620-01-051-0371/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/1620-01-051-0371/