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BUWEPSDWG862543 — NUT,RETAINING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BUWEPSDWG862543: NUT,RETAINING.

The NUT,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-334-2802, 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
BUWEPSDWG862543
NSN: 5310-00-334-2802
FSC: 5310 — Nuts and Washers
CAGE: 08KE6 — NAVSURFWARCEN DET PICATINNY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEE,CARBON;PER QQ-S-634,AISI 1050;1.250 IN. DISTANCE ACROSS HEX FLATS;SCREW THREADS SHALL BE IN ACCORDANCE WITH MIL-S-7742;0.500 IN. THK;W/0.063 IN. DIA 6 HOLES IN
NSN5310-00-334-2802
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BUWEPSDWG862543 · 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: STEE,CARBON;PER QQ-S-634,AISI 1050;1.250 IN. DISTANCE ACROSS HEX FLATS;SCREW THREADS SHALL BE IN ACCORDANCE WITH MIL-S-7742;0.500 IN. THK;W/0.063 IN. DIA 6 HOLES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEE,CARBON;PER QQ-S-634,AISI 1050;1.250 IN. DISTANCE ACROSS HEX FLATS;SCREW THREADS SHALL BE IN ACCORDANCE WITH MIL-S-7742;0.500 IN. THK;W/0.063 IN. DIA 6 HOLES IN
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 2
7139438Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N620-50Same 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 BUWEPSDWG862543?
BUWEPSDWG862543 is a NUT,RETAINING.
What parts can replace BUWEPSDWG862543?
There are 2 known substitutes for BUWEPSDWG862543: 7139438, N620-50. Substitute compatibility should be verified for your specific system.
What is the NSN for BUWEPSDWG862543?
BUWEPSDWG862543 is cataloged in the U.S. Government catalog under NSN 5310-00-334-2802. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.