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A7521.006.132 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A7521.006.132: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 485 OVERALL, head_style: HEXAGON, material_document_and_classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-078-2918, 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
A7521.006.132
NSN: 5306-01-078-2918
FSC: 5306 — Bolts
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY 485 OVERALL
head_styleHEXAGON
material_document_and_classificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-078-2918
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A7521.006.132 · 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: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: HEXAGON
•
MATERIAL: COPPER ALLOY 485 OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
MATERIALCOPPER ALLOY 485 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
A7521-006-132 1 -2INReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A07521-006-132Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
20221 FIND 17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A7521.006.132?
A7521.006.132 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace A7521.006.132?
There are 3 known substitutes for A7521.006.132: A7521-006-132 1 -2IN, A07521-006-132, 20221 FIND 17. Substitute compatibility should be verified for your specific system.
What is the NSN for A7521.006.132?
A7521.006.132 is cataloged in the U.S. Government catalog under NSN 5306-01-078-2918. This indicates validated use in U.S. government and defense supply chains.
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