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A10319 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A10319: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include special_features: COLOR GREEN, CALLED COTTER HITCH PIN BY MANUFACTURER, style_designator: LOCK, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-501-3697, 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
A10319
NSN: 5310-00-501-3697
NIINs: 005013697, 014754215
FSC: 5310 — Nuts and Washers
CAGE: U4574 — FNH UK LTD (GBR)
SPECIFICATIONS
special_featuresCOLOR GREEN, CALLED COTTER HITCH PIN BY MANUFACTURER
style_designatorLOCK
surface_treatmentZINC OVERALL
NSN5310-00-501-3697
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A10319 · 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
•
OVERALL DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
HEAT TREATMENT: QUENCHED AND TEMPERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
HEAT TREATMENTQUENCHED AND TEMPERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONMACHINE GUN,CAL. .50 (M2); NSN 1005-00-322-9715
MATERIALSTEEL COMP 1117 OR STEEL COMP 1118 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
75F6109Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3662004548Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10092985Reference document
Same NSN cross-reference
Reference document — Informative reference only
05415230004585Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
201050003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL0918161Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is A10319?
A10319 is a PIN,LOCK.
What parts can replace A10319?
There are 6 known substitutes for A10319: 75F6109, 3662004548, 10092985 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A10319?
A10319 is cataloged in the U.S. Government catalog under NSN 5310-00-501-3697. This indicates validated use in U.S. government and defense supply chains.
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