The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-161-3994, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-161-3994 |
| Primary Part Number | PS10-632-40 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.075 INCHES NOMINAL IN |
| Fastener Length | 0.330 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.130 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.210 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 |
|---|---|
| PS10-632-40 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| 9998-4815-001 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| 0PS0632-H40900 | C/1 Advisory reference — outside the item-of-supply concept Tracewell Systems, Inc. |
| 0PS0632-H40900 | 5/9 Secondary reference Tracewell Enclosures Inc |
| 915960-006 | 5/1 Secondary reference General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems |
NSN 5305-01-161-3994 is a Screw,externally Relieved Body, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-161-3994 has 2 manufacturer part numbers on file: PS10-632-40 (Penn Engineering & Manufacturing Corp), 9998-4815-001 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
Key specifications for PS10-632-40: Head Height: 0.075 INCHES NOMINAL IN; Fastener Length: 0.330 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35B FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.130 INCHES NOMINAL IN. 15 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.