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1229Q1031 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1229Q1031: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.128 INCHES MINIMUM AND 1.137 INCHES MAXIMUM IN, overall_height: 0.312 INCHES NOMINAL IN, outside_diameter: 2.594 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-285-9402, 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
1229Q1031
NSN: 5310-00-285-9402
FSC: 5310 — Nuts and Washers
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.128 INCHES MINIMUM AND 1.137 INCHES MAXIMUM IN
overall_height0.312 INCHES NOMINAL IN
outside_diameter2.594 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
NSN5310-00-285-9402
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1229Q1031 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 2.594 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.128 INCHES MINIMUM AND 1.137 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER2.594 INCHES NOMINAL IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.128 INCHES MINIMUM AND 1.137 INCHES MAXIMUM IN
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 2
2199D5Reference document
Same NSN cross-reference
Reference document — Secondary reference
11A1333Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1229Q1031?
1229Q1031 is a WASHER,SPRING TENSION.
What parts can replace 1229Q1031?
There are 2 known substitutes for 1229Q1031: 2199D5, 11A1333. Substitute compatibility should be verified for your specific system.
What is the NSN for 1229Q1031?
1229Q1031 is cataloged in the U.S. Government catalog under NSN 5310-00-285-9402. 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.