The Stud,plain, cataloged under National Stock Number 5307-01-166-5504, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is P and R Precision Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-166-5504 |
| Primary Part Number | 1251522 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | P and R Precision Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 1251522 | P and R Precision Inc (USA) |
| 1251522 | Mcnally Industries Llc Div Northern Pump Division (USA) |
| Reference | Meaning |
|---|---|
| 1251522 | 5/2 Secondary reference U.S. Government activity |
| 1251522 | 3/9 Design control — primary reference Asset Systems, Inc. Dba Asset Systems Inc |
NSN 5307-01-166-5504 is a Stud,plain, manufactured by P and R Precision Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-166-5504 has 2 manufacturer part numbers on file: 1251522 (P and R Precision Inc), 1251522 (Mcnally Industries Llc Div Northern Pump Division).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-683-9253. Verify interchangeability with system specifications before substitution.
Key specifications for 1251522: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS. 2 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.