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91074A129 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91074A129: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.283 INCHES NOMINAL IN, overall_height: 0.071 INCHES NOMINAL IN, hardness_rating: 48.0 ROCKWELL C NOMINAL, outside_diameter: 0.453 INCHES NOMINAL IN, special_features: FOR USE WITH GRADE 2 THROUGH 8 BOLTS, style_designator: TWO PIECE INTERLOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-503-7364, 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
91074A129
NSN: 5310-01-503-7364
FSC: 5310 — Nuts and Washers
CAGE: 07BY4 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
hole_diameter0.283 INCHES NOMINAL IN
overall_height0.071 INCHES NOMINAL IN
hardness_rating48.0 ROCKWELL C NOMINAL
outside_diameter0.453 INCHES NOMINAL IN
special_featuresFOR USE WITH GRADE 2 THROUGH 8 BOLTS
style_designatorTWO PIECE INTERLOCKING
surface_treatmentZINC AND CHROMATE OVERALL
end_item_identificationAIRCRAFT,( AC-130H, MC-130H, EC-130E, HC-130)
NSN5310-01-503-7364
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91074A129 · 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
•
HARDNESS RATING: 48.0 ROCKWELL C NOMINAL
•
STYLE DESIGNATOR: TWO PIECE INTERLOCKING
•
OUTSIDE DIAMETER: 0.453 INCHES NOMINAL IN
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.071 INCHES NOMINAL IN
HARDNESS RATING48.0 ROCKWELL C NOMINAL
STYLE DESIGNATORTWO PIECE INTERLOCKING
OUTSIDE DIAMETER0.453 INCHES NOMINAL IN
COLORYELLOW OVERALL
SPECIAL FEATURESFOR USE WITH GRADE 2 THROUGH 8 BOLTS
SURFACE TREATMENTZINC AND CHROMATE OVERALL
END ITEM IDENTIFICATIONAIRCRAFT,( AC-130H, MC-130H, EC-130E, HC-130)
MATERIALSTEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OVERALL
HOLE DIAMETER0.283 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

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 91074A129?
91074A129 is a WASHER,LOCK.
What is the NSN for 91074A129?
91074A129 is cataloged in the U.S. Government catalog under NSN 5310-01-503-7364. This indicates validated use in U.S. government and defense supply chains.
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