The Screw,machine, cataloged under National Stock Number 5305-01-326-2824, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mbda Uk Ltd. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-326-2824 |
| Primary Part Number | A07993 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mbda Uk Ltd |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.658 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Features Provided | O RING |
| Head Style | WATERTIGHT |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH OR PELLET OR STRIP |
| Screw Material | STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP XM-7 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| A07993 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MS3212-28L | 5/9 Secondary reference U.S. Government activity |
| MS3212-28L | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-326-2824 is a Screw,machine, manufactured by Mbda Uk Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-326-2824 has 1 manufacturer part number on file: A07993 (Mbda Uk Ltd).
Key specifications for A07993: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Length: 0.658 INCHES MINIMUM AND 0.720 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.