The Coupling,rigid, cataloged under National Stock Number 2915-01-181-9883, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-01-181-9883 |
| Primary Part Number | 40975A |
| Item Name | Coupling,rigid |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| General Characteristics Item Description | MATL ALUMINUM ALLOY PER QQ-A-225/6 OR QQ-A-200/3; 1.539 IN. LONG; BODY 0.460 IN. MIN AND 0.461 IN. MAX OD; FIRST SHOULDER 0.499 IN. MIN AND 0.501 IN. MAX OD; SECOND SHOULDER 0.610 IN. MIN AND 0.611 IN. MAX OD; SECOND END 0.460 IN. MIN AND 0.464 IN. MAX OD; SPLINED PARTIAL BORE BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2915-01-181-9883 is a Coupling,rigid, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-181-9883 has 2 manufacturer part numbers on file: 40975A (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 40975A (The Boeing Company Div Legacy Am&m).
Key specifications for 40975A: General Characteristics Item Description: MATL ALUMINUM ALLOY PER QQ-A-225/6 OR QQ-A-200/3; 1.539 IN. LONG; BODY 0.460 IN. MIN AND 0.461 IN. MAX OD; FIRST SHOULDER 0.499 IN. MIN AND 0.501 IN. MAX OD; SECOND SHOULDER 0.610 IN. MIN AND 0.611 IN. MAX OD; SECOND END 0.460 IN. MIN AND 0.464 IN. MAX OD; SPLINED PARTIAL BORE BOTH ENDS IN; End Item Identification: B-1B ACFT VALVE BODY,FUEL SHUTOFF. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2915-01-181-9883 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.