The Stud,continuous Thread, cataloged under National Stock Number 5307-01-424-2988, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Acme Products & Engineering Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5307-01-424-2988 |
| Primary Part Number | 638-48AP |
| Item Name | Stud,continuous Thread |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Acme Products & Engineering Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.875 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 9 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 638-48AP PRIMARY | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 638-48 | 3/9 Design control — primary reference Hardie-Tynes Co., Inc. |
| 60-1066 PIECE NO. 48 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
NSN 5307-01-424-2988 is a Stud,continuous Thread, manufactured by Acme Products & Engineering Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-424-2988 has 1 manufacturer part number on file: 638-48AP (Acme Products & Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-542-6601. Verify interchangeability with system specifications before substitution.
Key specifications for 638-48AP: Overall Length: 8.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 0.875 INCHES LOCATION NOT OTHERWISE SPECIFIED IN; Thread Class: 2A LOCATION NOT OTHERWISE SPECIFIED A. 6 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.