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HR239-4-12 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HR239-4-12: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-437-9451, 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
HR239-4-12
NSN: 5306-01-437-9451
FSC: 5306 — Bolts
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
Part NumberHR239-4-12
NSN5306-01-437-9451
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HR239-4-12 · 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
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 8
BF0015HC3-4-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SLB216-4-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E008-4-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
03A173-4-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC1651-4-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
123742-4-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 HR239-4-12?
HR239-4-12 is a BOLT,INTERNAL WRENCHING.
What parts can replace HR239-4-12?
There are 8 known substitutes for HR239-4-12: BF0015HC3-4-12, SLB216-4-12, E008-4-12 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR239-4-12?
HR239-4-12 is cataloged in the U.S. Government catalog under NSN 5306-01-437-9451. This indicates validated use in U.S. government and defense supply chains.
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