The Screw, cataloged under National Stock Number 5305-01-121-8256, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Screw |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Nylok Llc (CAGE 26233) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-121-8256 |
| Primary Part Number | 1611209-56 |
| Item Name | Screw |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1611209-56 PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 1611209-56 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 1611209-56 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1611209-56 | 3/9 Design control — primary reference Nylok Llc |
NSN 5305-01-121-8256 is a Screw, manufactured by Nylok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-121-8256 has 1 manufacturer part number on file: 1611209-56 (Nylok Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-594-9176. Verify interchangeability with system specifications before substitution.
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.