PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 91630857
91630857 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, overall_height: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, overall_length: 1.625 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-261-3585, 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
91630857
NSN: 5315-00-261-3585
FSC: 5315
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
overall_height0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
overall_length1.625 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-261-3585
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91630857 · 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
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.625 INCHES NOMINAL IN
OVERALL WIDTH0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
OVERALL HEIGHT0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
8893166Interchangeable
interchangeable cross-reference
interchangeable
5881Interchangeable
interchangeable cross-reference
interchangeable
522-3333Interchangeable
interchangeable cross-reference
interchangeable
290-1007P7Interchangeable
interchangeable cross-reference
interchangeable
257-0150-000Interchangeable
interchangeable cross-reference
interchangeable
Q531743011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 91630857?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 91630857?
91630857 is a KEY,MACHINE.
What parts can replace 91630857?
There are 18 known substitutes for 91630857: 8893166, 5881, 522-3333 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91630857?
91630857 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-261-3585. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 91630857

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026