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MS35691-502 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS35691-502: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.180 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-012-4824, 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
MS35691-502
NSN: 5310-00-012-4824
FSC: 5310 — Nuts and Washers
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.180 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OR CHROMATE ZINC OVERALL
width_across_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch18
NSN5310-00-012-4824
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35691-502 · 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
•
WIDTH ACROSS FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J995,GRADE 2 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR FF-N-836,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35691/CANCELED/ GOVERNMENT STANDARD AND 24617-124824 MANUFACTURERS STANDARD
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995,GRADE 2 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR FF-N-836,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
SPECIFICATION/STANDARD DATA81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35691/CANCELED/ GOVERNMENT STANDARD AND 24617-124824 MANUFACTURERS STANDARD
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL,TABLE 3,GRADE B
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 STYLE AND 5/16-18UNC2B SIZE
SUBSTITUTES & CROSS-REFERENCES 4
124824Reference document
Same NSN cross-reference
Reference document — Secondary reference
6464-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
16676Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
FF-N-836Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS35691-502?
MS35691-502 is a NUT,PLAIN,HEXAGON.
What parts can replace MS35691-502?
There are 4 known substitutes for MS35691-502: 124824, 6464-3, 16676 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35691-502?
MS35691-502 is cataloged in the U.S. Government catalog under NSN 5310-00-012-4824. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.