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P4078949 — P4078949

✓ Government record, cited
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY · BOLT SCREW
PRODUCT OVERVIEW

P4078949: P4078949.

The P4078949 is a RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY industrial component. This part is cataloged in the U.S. Government catalog under NSN 5307-01-454-2565, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
P4078949
NSN: 5307-01-454-2565
FSC: 5307 — Studs
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Part NumberP4078949
ManufacturerRTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
NSN5307-01-454-2565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P4078949 · RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 2.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.750 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: STEPPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 1010 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AISI 1025 NATIONAL SPEC 2ND MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
TECHNICAL CHARACTERISTICS
SHANK DIAMETER2.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.750 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH3.094 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSTEPPED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 1010 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AISI 1025 NATIONAL SPEC 2ND MATERIAL RESPONSE
OVERALL LENGTH5.350 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.750 INCHES NUT THREAD IN
NOMINAL THREAD SIZE2.3125 INCHES STUD THREAD IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P4078949?
P4078949 is a P4078949 manufactured by RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY.
What is the NSN for P4078949?
P4078949 is cataloged in the U.S. Government catalog under NSN 5307-01-454-2565. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.