The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-997-3277, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Abscoa Industries Inc. Government technical data includes 17 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 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 | 5305-00-997-3277 |
| Primary Part Number | ABS20361CA37 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Abscoa Industries Inc |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN |
| Thread Length | 0.187 INCHES MINIMUM IN |
| First Diameter From Head | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | WATERTIGHT |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.438 INCHES NOMINAL IN |
| 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 |
|---|---|
| 22580-1 | Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA) |
| ABS20361CA37 PRIMARY | Abscoa Industries Inc (USA) |
NSN 5305-00-997-3277 is a Screw,externally Relieved Body, manufactured by Abscoa Industries Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-997-3277 has 2 manufacturer part numbers on file: 22580-1 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company), ABS20361CA37 (Abscoa Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-026-2878. Verify interchangeability with system specifications before substitution.
Key specifications for ABS20361CA37: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN; Thread Length: 0.187 INCHES MINIMUM IN; First Diameter From Head: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN. 17 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.