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HS4431-12 — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4431-12: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL LOCKSPRING, material_document_and_classification: 81346-ASTM A228/A ASSN STD ALL MATERIAL RESPONSES LOCKSPRING, part_name_assigned_by_controlling_agency: STUD ASSEMBLY, TURNLOCK. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-641-2526, 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
HS4431-12
NSN: 5325-01-641-2526
FSC: 5325 — Fastening Devices
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL LOCKSPRING
material_document_and_classification81346-ASTM A228/A ASSN STD ALL MATERIAL RESPONSES LOCKSPRING
part_name_assigned_by_controlling_agencySTUD ASSEMBLY, TURNLOCK
NSN5325-01-641-2526
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4431-12 · 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
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: 81346-ASTM A228/A ASSN STD ALL MATERIAL RESPONSES LOCKSPRING
•
MATERIAL: STEEL STUD
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATION81346-ASTM A228/A ASSN STD ALL MATERIAL RESPONSES LOCKSPRING
MATERIAL DOCUMENT AND CLASSIFICATION81346-ASTM A228/A ASSN STD ALL MATERIAL RESPONSES PIN
MATERIAL DOCUMENT AND CLASSIFICATION81346-ASTM A547 ASSN STD ALL MATERIAL RESPONSES OR 81346-ASTM A304 ASSN STD ALL MATERIAL RESPONSES OR 81346-ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR 81346-ASTM A331 ASSN STD ALL MATERIAL RESPONSES OR 81346-ASTM A752 ASSN STD ALL MATERIAL RESPONSES OR 81348-AMS6300 ASSN STD ALL MATERIAL RESPONSES OR 81348-AMS 6322 ASSN STD ALL MATERIAL RESPONSES OR 81348-AMS-S-6049 ASSN STD ALL MATERIAL RESPONSES STUD
MATERIAL DOCUMENT AND CLASSIFICATION81348-AMS-QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OR 81346-ASTM A 109/A ASSN STD ALL MATERIAL RESPONSES RECEPTACLE
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD ASSEMBLY, TURNLOCK
MATERIALSTEEL STUD
MATERIALSTEEL PIN
MATERIALSTEEL LOCKSPRING
MATERIALSTEEL RECEPTACLE
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4431-12?
HS4431-12 is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for HS4431-12?
HS4431-12 is cataloged in the U.S. Government catalog under NSN 5325-01-641-2526. This indicates validated use in U.S. government and defense supply chains.
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