The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-975-1611, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-975-1611 |
| Primary Part Number | 54200-836-20 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Head Height | 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Fastener Length | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Thread Length | 0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| First Diameter From Head | 0.129 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.050 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 36 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.265 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 54200-836-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 327B578P3 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-00-975-1611 is a Bolt,internal Wrenching, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-975-1611 has 1 manufacturer part number on file: 54200-836-20 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 54200-836-20: Width Across Flats: 0.125 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Head Height: 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Fastener Length: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Thread Length: 0.530 INCHES MINIMUM AND 0.570 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.