The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-335-9515, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Schroff Inc Dba Pentair Technical Products. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-335-9515 |
| Primary Part Number | 21100-379 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Schroff Inc Dba Pentair Technical Products |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 21100-379 PRIMARY | Schroff Inc Dba Pentair Technical Products (USA) |
| 77A106878P001 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 107-12712 | C/1 Advisory reference — outside the item-of-supply concept Apw Electronic Solutions |
| 2100-379 | 5/1 Secondary reference U.S. Government activity |
| 2100-379 | C/1 Advisory reference — outside the item-of-supply concept Schroff Inc Dba Pentair Technical Products |
| 377-0509 | 5/9 Secondary reference Glenayre Manufacturing Ltd |
| 1813000 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 194-39374 | C/1 Advisory reference — outside the item-of-supply concept Apw Electronic Solutions |
NSN 5305-01-335-9515 is a Screw,cap,socket Head, manufactured by Schroff Inc Dba Pentair Technical Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-335-9515 has 2 manufacturer part numbers on file: 21100-379 (Schroff Inc Dba Pentair Technical Products), 77A106878P001 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-394-8918. Verify interchangeability with system specifications before substitution.
Key specifications for 21100-379: End Item Identification: USED ON PEACE SHIELD. 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.