The Bolt,machine, cataloged under National Stock Number 5306-00-049-9885, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-049-9885 |
| Primary Part Number | 222758 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Fastener Length | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Length | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.2800 TO 0.2824 INCHES IN |
| Surface Treatment | SILVER OVERALL |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 222758 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 222758 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 222758 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-049-9885 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-049-9885 has 1 manufacturer part number on file: 222758 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 4920-00-160-9705. Verify interchangeability with system specifications before substitution.
Key specifications for 222758: Head Height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Fastener Length: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Length: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.