The Coupling Flange, cataloged under National Stock Number 1015-00-513-6803, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1015-00-513-6803 |
| Primary Part Number | 611761 |
| Item Name | Coupling Flange |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CLASS B PER MIL-S-890; 2.125 IN. LG; O.D. OF INSIDE HOLE 2.000 IN. 3 MOUNTING HOLES 0.375 LOCATED 4.005 C TO C ACROSS BOTTOM AND 3.469 C TO C FROM TOP TO BOTTOM; 6 SPLINES ON INSIDE DIA OF 1.250 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 611761 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1015-00-513-6803 is a Coupling Flange, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-00-513-6803 has 1 manufacturer part number on file: 611761 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-202-5486. Verify interchangeability with system specifications before substitution.
Key specifications for 611761: General Characteristics Item Description: STEEL,CLASS B PER MIL-S-890; 2.125 IN. LG; O.D. OF INSIDE HOLE 2.000 IN. 3 MOUNTING HOLES 0.375 LOCATED 4.005 C TO C ACROSS BOTTOM AND 3.469 C TO C FROM TOP TO BOTTOM; 6 SPLINES ON INSIDE DIA OF 1.250 IN. IN. 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 1015-00-513-6803 has DEMIL Code B. 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.