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9Q5908 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9Q5908: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL OVERALL, surface_treatment: ZINC OVERALL, end_item_identification: 4930-01-517-6939 TANK UNIT, FUEL DISPENSING, TRUCK MOUNTING, part_name_assigned_by_controlling_agency: SPRING LOCK WASHER, .500 INCH IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-596-5439, 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
9Q5908
NSN: 5310-01-596-5439
FSC: 5310 — Nuts and Washers
CAGE: 13226 — BETTS INDUSTRIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL OVERALL
surface_treatmentZINC OVERALL
end_item_identification4930-01-517-6939 TANK UNIT, FUEL DISPENSING, TRUCK MOUNTING
part_name_assigned_by_controlling_agencySPRING LOCK WASHER, .500 INCH IN
NSN5310-01-596-5439
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9Q5908 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL COMP 304 OR STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING LOCK WASHER, .500 INCH IN
END ITEM IDENTIFICATION4930-01-517-6939 TANK UNIT, FUEL DISPENSING, TRUCK MOUNTING
MATERIALSTEEL COMP 304 OR STEEL OVERALL
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

No substitute or cross-reference records for this part.

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 9Q5908?
9Q5908 is a WASHER,LOCK.
What is the NSN for 9Q5908?
9Q5908 is cataloged in the U.S. Government catalog under NSN 5310-01-596-5439. 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.