The Screw-Heavy Hex Flange, cataloged under National Stock Number 1055-01-648-6460, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1055-01-648-6460 |
| Item Name | Screw-Heavy Hex Flange |
| FSC / FSG | 1055 / 10 — Launchers, Rocket and Pyrotechnic |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 302-40335 | D/9 Drawing number reference only Lockheed Martin Corporation |
| LMHF050020 | 3/1 Design control — primary reference General Fasteners Co |
| 302-40335-5 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
NSN 1055-01-648-6460 is a Screw-Heavy Hex Flange, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1055-01-648-6461. Verify interchangeability with system specifications before substitution.
Key specifications for 1055-01-648-6460: Part Name Assigned by Controlling Agency: SCREW,HEAVY HEX FLANGE; End Item Identification: 1055-01-450-4243. 0 specifications are 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.
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.