PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 7771537
7771537 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,BRACKET,GAS CYLINDER is a the manufacturer industrial component. Key specifications include end_item_identification: 20MM GUN MK12 MOD0 MM, general_characteristics_item_description: CARBON STEEL PER QQ-S-634 AISI 1040. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-384-2139, 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
7771537
NSN: 5310-00-384-2139
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identification20MM GUN MK12 MOD0 MM
general_characteristics_item_descriptionCARBON STEEL PER QQ-S-634 AISI 1040
NSN5310-00-384-2139
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7771537 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CARBON STEEL PER QQ-S-634 AISI 1040
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCARBON STEEL PER QQ-S-634 AISI 1040
END ITEM IDENTIFICATION20MM GUN MK12 MOD0 MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
01A18691AInterchangeable
interchangeable cross-reference
interchangeable
32C720HInterchangeable
interchangeable cross-reference
interchangeable
15478Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 7771537?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 7771537?
7771537 is a NUT,BRACKET,GAS CYLINDER.
What parts can replace 7771537?
There are 3 known substitutes for 7771537: 01A18691A, 32C720H, 15478. Substitute compatibility should be verified for your specific system.
What is the NSN for 7771537?
7771537 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-384-2139. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 7771537

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026