Acquisition method (AMC)
1
FSC 2840 × SEAL,AIR,AIRCRAFT GAS TURBINE EN
SEAL,AIR,AIRCRAFT GAS TURBINE EN
2840-01-100-1680 FSC 2840
NSN 2840-01-100-1680 (also written 2840011001680; NIIN 01-100-1680) is a seal, air, aircraft gas turbine en in Federal Supply Class 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. 9 manufacturer part numbers from 5 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)
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.
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 |
|---|---|
| TEMP RATING ABJH | FAHRENHEIT -65.0 AND FAHRENHEIT 350.0 |
| CRITICALITY CODE JUSTIFICATION CRTL | SUPP |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | SEAL, FLANGED, ENCASED, AXIS B |
| SPECIAL FEATURES FEAT | OPERATING CONDITIONS: 29000 RPM; OPERATING PRESSURE DIFFERENTIAL OIL TO AIR (PSIG) 5-10;SEALED FLUID PER MIL-L-7808 AND MIL-L-23699;SEAL OUTSIDE DIAMETER: 1.65" MAXIMUM; SEAL INSIDE DIAMETER: .958" MINIMUM;RUBBING FACE WIDTH 9RADIAL): .06" REFERENCE; SEAL FREE LENGTH: .245" MINIMUM; SEAL OPERATING LENGTH: .18-.22"; SPRING TYPE: WAVE; ANTI-ROTATIONAL KEY RADIAL ENGAGEMENT: .046 MINIMUM; LENGTH OF ENGAGEMENT:.210 MINIMUM AT MAXIMUM OPERATING LENGTH; OVERLAP OF KEY TO CARRIER (BOTH ENDS):.101" MINIMUM; MATERIALS: AMS 4116 OR 4117;SECONDARY SEAL: AMS 7280; KEY ATTACHMENT: INTEGRAL WITH CASING MIL-L-7808 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| SUPPLEMENTARY FEATURES SUPP | FLIGHT SAFETY CRITICAL |
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 |
|---|---|---|
| 1-1038-2 | 91587 | REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE |
| 5034T70 | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
| 5034T70P01 | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
| 5034T70P01 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| 5034T70P04 | 99207 | GENERAL ELECTRIC COMPANY DBA GE AEROSPACE |
| 5034T70P04 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| 5330PL0298074 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 55496 | 77842 | EATON CORPORATION DBA EATON INOAC DIV EATON |
| D55496 | 77842 | EATON CORPORATION DBA EATON INOAC DIV EATON |
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
—
Sep 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$32,678
Total demand
$32,678
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 |
|---|---|---|---|---|
| Sep 17, 2026 | SPE4A725D0299/SPE4A726F060H ↗ | EATON CORPORATION DBA EATON INOAC DIV EATON | — | $32,678 |
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
EATON CORPORATION DBA EATON INOAC DIV EATON
last award Sep 2026
GENERAL ELECTRIC COMPANY DBA GE AEROSPACE
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE
no award yet
no awards on record
Listed source REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE
no award yet
no awards on record
Listed source EATON CORPORATION DBA EATON INOAC DIV EATON won the only award on record.
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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL,AIR,AIRCRAFT GAS TURBINE EN." nsnexplorer.com, https://nsnexplorer.com/nsn/2840-01-100-1680/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/2840-01-100-1680/