The Bolt,tee Head, cataloged under National Stock Number 5306-01-026-6870, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-026-6870 |
| Primary Part Number | 4048152 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.360 INCHES NOMINAL IN |
| Fastener Length | 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN |
| Thread Length | 0.470 INCHES NOMINAL IN |
| Material Document and Classification | PWA92 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | TEE NO. 3 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.900 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN |
| Width Between Flats | 0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4048152 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4048152 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 4048152 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4048152 | 5/9 Secondary reference U.S. Government activity |
| 4048152 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4048152 | 5/9 Secondary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| 4048152 | 5/9 Secondary reference Linread Ltd |
| 4048152 | 5/9 Secondary reference Necchi Spa |
| Q4007-445A | 5/9 Secondary reference Minnesota Rubber Co |
NSN 5306-01-026-6870 is a Bolt,tee Head, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-026-6870 has 3 manufacturer part numbers on file: 4048152 (Rtx Corporation Div Pratt & Whitney), 4048152 (Sps Technologies, Llc Dba PB Fasteners), 4048152 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4048152: Head Height: 0.360 INCHES NOMINAL IN; Fastener Length: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN; Thread Length: 0.470 INCHES NOMINAL IN; Material Document and Classification: PWA92 FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 13 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.