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Technical Data Sheet
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BRN 04 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BRN 04: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-298-7736, 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
BRN 04
NSN: 5310-01-298-7736
FSC: 5310 — Nuts and Washers
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
Part NumberBRN 04
NSN5310-01-298-7736
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BRN 04 · 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
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 5
TBL NO 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
501-4457017 ITEM 98Reference document
Same NSN cross-reference
Reference document — Secondary reference
501-4457023 ITEM 98Reference document
Same NSN cross-reference
Reference document — Secondary reference
2503-78 ITEM 98Reference document
Same NSN cross-reference
Reference document — Secondary reference
2503-86 ITEM 98Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BRN 04?
BRN 04 is a NUT,PLAIN,ROUND.
What parts can replace BRN 04?
There are 5 known substitutes for BRN 04: TBL NO 4, 501-4457017 ITEM 98, 501-4457023 ITEM 98 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BRN 04?
BRN 04 is cataloged in the U.S. Government catalog under NSN 5310-01-298-7736. This indicates validated use in U.S. government and defense supply chains.
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