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Technical Data Sheet
PartsTable / COMPONENT / STOCK NO. 1309
STOCK NO. 1309 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The STOCK NO. 1309 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-193-2395, 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
STOCK NO. 1309
NSN: 5310-01-193-2395
FSC: 5310
CAGE: 82522 — PUGET SOUND NAVAL SHIPYARD AND INTERMEDIATE MAINTENCE FACILITY (USA)
SPECIFICATIONS
Part NumberSTOCK NO. 1309
NSN5310-01-193-2395
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: STOCK NO. 1309 · 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
•
THREAD LENGTH: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM OVERALL IN
•
NUT LENGTH: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM OVERALL IN
NUT LENGTH0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ER-1059Interchangeable
interchangeable cross-reference
interchangeable
517D554P2Interchangeable
interchangeable cross-reference
interchangeable
01921Interchangeable
interchangeable cross-reference
interchangeable
6002-512Interchangeable
interchangeable cross-reference
interchangeable
1921Interchangeable
interchangeable cross-reference
interchangeable
1826-0501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STOCK NO. 1309?
STOCK NO. 1309 is a STOCK NO. 1309.
What parts can replace STOCK NO. 1309?
There are 11 known substitutes for STOCK NO. 1309: ER-1059, 517D554P2, 01921 and 8 more. Substitute compatibility should be verified for your specific system.
Is STOCK NO. 1309 still available?
STOCK NO. 1309 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026