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4071139C — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4071139C: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN, thread_length: 0.263 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-319-1434, 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
4071139C
NSN: 5306-01-319-1434
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
thread_class3A A
head_diameter1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
thread_length0.263 INCHES NOMINAL IN
fastener_length0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.331 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
end_item_identificationF100PW0229 ENGINE/AUG MOD
nominal_thread_diameter0.190 INCHES IN
first_diameter_from_head0.240 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
NSN5306-01-319-1434
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4071139C · OEM ⚠ 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
•
HEAD HEIGHT: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.263 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5665 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.240 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.502 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND W/WRENCH FLATS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
FASTENER LENGTH0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
THREAD LENGTH0.263 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5665 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.240 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.502 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 2
5306PL1499200Reference document
Same NSN cross-reference
Reference document — Informative reference only
4071139Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4071139C?
4071139C is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 4071139C?
There are 2 known substitutes for 4071139C: 5306PL1499200, 4071139. Substitute compatibility should be verified for your specific system.
What is the NSN for 4071139C?
4071139C is cataloged in the U.S. Government catalog under NSN 5306-01-319-1434. 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.