The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-122-8513, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-122-8513 |
| Primary Part Number | 2010810 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp |
| Status | ACTIVE |
| Head Height | 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.138 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.090 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.190 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 8630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-122-8513 is a Screw,externally Relieved Body, manufactured by Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-122-8513 has 2 manufacturer part numbers on file: 2010810 (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp), 20108010 (Astral Air Parts Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-552-7019. Verify interchangeability with system specifications before substitution.
Key specifications for 2010810: Head Height: 0.089 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Fastener Length: 1.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES NOMINAL IN. 20 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.