PartsTable
Technical Data Sheet
Download PDF

Q4012 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

Q4012: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, thickness: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, hole_diameter: 0.364 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, overall_diameter: 0.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-042-0964, 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
Q4012
NSN: 5310-00-042-0964
NIINs: 000420964, 010285289
FSC: 5310 — Nuts and Washers
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
hole_diameter0.364 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
overall_diameter0.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
general_characteristics_item_descriptionRUBBER,SYNTHETIC,GRADE SB715 A,B,C,F2 SPEC MIL-R-3065 AND MIL-STD-417,0.364 PORM 0.005 ID. 0.434 PORM 0.008 OD
NSN5310-00-042-0964
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Q4012 · 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
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.364 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
THICKNESS: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.364 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
THICKNESS0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
00419-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy Q4012?
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 Q4012?
Q4012 is a WASHER,FLAT.
What parts can replace Q4012?
There is 1 known substitute for Q4012: 00419-04. Substitute compatibility should be verified for your specific system.
What is the NSN for Q4012?
Q4012 is cataloged in the U.S. Government catalog under NSN 5310-00-042-0964. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — Q4012

✓ 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.