The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-657-6947, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ian Edgar (liverpool) Ltd, T/a Edgar Brothers. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-657-6947 |
| Primary Part Number | 1700077 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers |
| Status | ACTIVE |
| 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 |
|---|---|
| 1700077 | Ian Edgar (liverpool) Ltd, T/a Edgar Brothers (GBR) |
| 1700077 | Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS) |
| Reference | Meaning |
|---|---|
| 5305PL2093636 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1700077 | 3/9 Design control — primary reference Sig Sauer Inc. |
| 1700077-R | C/1 Advisory reference — outside the item-of-supply concept Sig Sauer Inc. |
NSN 5305-01-657-6947 is a Screw,cap,socket Head, manufactured by Ian Edgar (liverpool) Ltd, T/a Edgar Brothers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-657-6947 has 2 manufacturer part numbers on file: 1700077 (Ian Edgar (liverpool) Ltd, T/a Edgar Brothers), 1700077 (Nioa Trading Nioa Nominees Pty Limited Div Nioa).
Key specifications for 1700077: Special Features: .250-28 X .875, SS, PL, HEX, SOC; Part Name Assigned by Controlling Agency: SCREW, BUTTON HEAD CAP; End Item Identification: SIG SAUER SIGMCX852. 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.
NSN 5305-01-657-6947 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.