The Pin,flat Head, cataloged under National Stock Number 5315-01-222-9592, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. 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 | 5315-01-222-9592 |
| Primary Part Number | SP4ZA11 |
| Item Name | Pin,flat Head |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Bsi Standards Limited |
| 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 |
|---|---|
| SP4ZA11 PRIMARY | Bsi Standards Limited (GBR) |
NSN 5315-01-222-9592 is a Pin,flat Head, manufactured by Bsi Standards Limited, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-222-9592 has 1 manufacturer part number on file: SP4ZA11 (Bsi Standards Limited).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-516-0313. Verify interchangeability with system specifications before substitution.
Key specifications for SP4ZA11: End Item Identification: AIRCRAFT MODEL A-6. 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.