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PartsTable / COMPONENT / 61313-9
61313-9 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: ALUMINUM ALLOY OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.252 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN, overall_width: 0.745 INCHES NOMINAL IN, overall_height: 0.562 INCHES NOMINAL IN, overall_length: 0.970 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-400-3965, 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
61313-9
NSN: 5310-00-400-3965
FSC: 5310
CAGE: 22915 — NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thickness0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.252 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
overall_width0.745 INCHES NOMINAL IN
overall_height0.562 INCHES NOMINAL IN
overall_length0.970 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
terminal_length0.187 INCHES NOMINAL IN
overall_diameter0.353 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
polarization_typeCONTACT POSITION
precious_materialSILVER AND GOLD
surface_treatmentANODIZE OVERALL
NSN5310-00-400-3965
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 61313-9 · 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 DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.252 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.353 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 T3,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
OVERALL DIAMETER0.353 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTANODIZE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
6-1313-9Interchangeable
interchangeable cross-reference
interchangeable
N06-1313-9Interchangeable
interchangeable cross-reference
interchangeable
1172034P5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61313-9?
61313-9 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 61313-9?
There are 3 known substitutes for 61313-9: 6-1313-9, N06-1313-9, 1172034P5. Substitute compatibility should be verified for your specific system.
Is 61313-9 still available?
61313-9 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