The Screw,close Tolerance, cataloged under National Stock Number 5305-01-132-5286, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-132-5286 |
| Primary Part Number | ST3M430V5-13AS |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| Thread Length | 0.506 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN |
| Material Document and Classification | NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.629 INCHES MINIMUM AND 0.634 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 |
| Part Number | Manufacturer |
|---|---|
| BM33024V5-13U | Huck International, Inc (USA) |
| ST3M430V5-13AS PRIMARY | The Boeing Company Div Defense (USA) |
| HT271A5-13 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT271A5-13 | Hi-Shear Corporation (USA) |
| 110179-5-13AS | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M430V5-13AS | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT8137-5-13AS | Howmet Global Fastening Systems Inc (USA) |
| ST3M430V5-13AS | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| ST3M430V5-13AS | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 110179-5-13AS | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| BM33024V5-13U | 5/9 Secondary reference U.S. Government activity |
| 110179-5-13AS | 5/2 Secondary reference U.S. Government activity |
| HT8137-5-13AS | 5/9 Secondary reference U.S. Government activity |
| 10115326 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| WC813-5-13A | C/1 Advisory reference — outside the item-of-supply concept West Coast Aerospace, Inc. |
NSN 5305-01-132-5286 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-132-5286 has 9 manufacturer part numbers on file: BM33024V5-13U (Huck International, Inc), ST3M430V5-13AS (The Boeing Company Div Defense), HT271A5-13 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT271A5-13 (Hi-Shear Corporation), 110179-5-13AS (Sps Technologies Ltd, Tj Brooks Division) and 4 more.
Key specifications for ST3M430V5-13AS: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN. 18 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.