PartsTable
Technical Data Sheet
Download PDF

91111A143 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91111A143: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: OD 24.4 MM X ID 17.0 MM X THICKNESS 3.3 MM MINIMUM; SPRING LOCK TYPE: HIGH-COLLAR MM, end_item_identification: 2355-01-542-7908 INTERIM VEHICLE MINE DETECTION, part_name_assigned_by_controlling_agency: SPRING LOCKING WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-559-0576, 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
91111A143
NSN: 5310-01-559-0576
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresOD 24.4 MM X ID 17.0 MM X THICKNESS 3.3 MM MINIMUM; SPRING LOCK TYPE: HIGH-COLLAR MM
end_item_identification2355-01-542-7908 INTERIM VEHICLE MINE DETECTION
part_name_assigned_by_controlling_agencySPRING LOCKING WASHER
NSN5310-01-559-0576
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91111A143 · 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESOD 24.4 MM X ID 17.0 MM X THICKNESS 3.3 MM MINIMUM; SPRING LOCK TYPE: HIGH-COLLAR MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING LOCKING WASHER
END ITEM IDENTIFICATION2355-01-542-7908 INTERIM VEHICLE MINE DETECTION
MATERIALSTEEL 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
Ready to buy 91111A143?
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 91111A143?
91111A143 is a WASHER,LOCK.
What is the NSN for 91111A143?
91111A143 is cataloged in the U.S. Government catalog under NSN 5310-01-559-0576. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 91111A143

✓ 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.