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91131A070 — WASHER SET,SPRING TENSION,MATCHE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91131A070: WASHER SET,SPRING TENSION,MATCHE.

WASHER SET,SPRING TENSION,MATCHE. Key specifications include component_document_origin: INDUSTRIAL, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-605-3290, 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
91131A070
NSN: 5310-01-605-3290
FSC: 5310 — Nuts and Washers
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
component_quantity2
component_document_originINDUSTRIAL
supply_items_and_quantities2
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-605-3290
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91131A070 · 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
•
COMPONENT QUANTITY: 2
•
SUPPLY ITEMS AND QUANTITIES: 2
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
SUPPLY ITEMS AND QUANTITIES2
COMPONENT DOCUMENT ORIGININDUSTRIAL
SPECIAL FEATURESSHAPE SPHERICAL, FOR SCREW SIZE 7/16, 1/2 IN, MATERIAL TYPE STEEL, BLACK OXIDE STEEL, TYPE CASE-HARDENED STEEL, SPERICAL PIECE SET, RADIUS 1-1/2 IN, MALE INDIED DIAMETER 17/32 IN, FEMALE INSIDE DIAMETER 9/16 IN, MINIMUM THICKNESS 029 IN, MAXIMUM THICKNESS 033 IN, ROCKWELL HARDNESS MINIMUM C48, MALE OUTSIDE DIAMETER 1-1/8 IN DIAMETERM FEMALE OUTSIDE DIAMETER 1-1/8 IN DIAMETER, MAXIMUM CORRECTION 2 IN, IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91131A070?
91131A070 is a WASHER SET,SPRING TENSION,MATCHE.
What is the NSN for 91131A070?
91131A070 is cataloged in the U.S. Government catalog under NSN 5310-01-605-3290. 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.