The Pin,straight,headless, cataloged under National Stock Number 5315-01-123-4523, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-123-4523 |
| Primary Part Number | 29966 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE W/THRU HOLE |
| Material Document and Classification | QQ-A-225/6 T351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3 T3511 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/3 T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.3735 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Pin Overall Length | 2.925 INCHES MINIMUM AND 2.935 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| 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 |
|---|---|
| 29966 PRIMARY | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 29966 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 29966 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 29966 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-123-4523 is a Pin,straight,headless, manufactured by Mid-America Aerotech, Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-123-4523 has 1 manufacturer part number on file: 29966 (Mid-America Aerotech, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5945-01-210-3653, 3040-01-461-2164, 6620-01-649-5986. Verify interchangeability with system specifications before substitution.
Key specifications for 29966: Surface Treatment Document and Classification: MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; First End Style: SQUARE W/THRU HOLE; Material Document and Classification: QQ-A-225/6 T351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/3 T3511 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/3 T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Pin Overall Diameter: 0.3735 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN. 8 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.