The Bolt,shoulder, cataloged under National Stock Number 5306-00-319-3086, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-319-3086 |
| Primary Part Number | 166944 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 2.928 INCHES MINIMUM AND 2.948 INCHES MAXIMUM IN |
| Shoulder Length | 0.344 INCHES MINIMUM AND 0.350 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | MIL-P-6871 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE GRIP |
| Shoulder Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.519 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 6427 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMIUM GRIP |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.974 INCHES MINIMUM AND 0.977 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 |
|---|---|
| 166944 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 166944 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 166944 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 5306-00-319-3086 is a Bolt,shoulder, manufactured by Goodrich Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-319-3086 has 1 manufacturer part number on file: 166944 (Goodrich Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-788-3989. Verify interchangeability with system specifications before substitution.
Key specifications for 166944: Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 2.928 INCHES MINIMUM AND 2.948 INCHES MAXIMUM IN; Shoulder Length: 0.344 INCHES MINIMUM AND 0.350 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.