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1231234-8 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1231234-8: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.000 INCHES NOMINAL IN, overall_height: 0.0797 INCHES NOMINAL IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-522-3288, 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
1231234-8
NSN: 5310-00-522-3288
FSC: 5310 — Nuts and Washers
CAGE: 70472 — BARNES GROUP INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.000 INCHES NOMINAL IN
overall_height0.0797 INCHES NOMINAL IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter2.000 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.0317 INCHES NOMINAL IN
NSN5310-00-522-3288
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1231234-8 · 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
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0317 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0797 INCHES NOMINAL IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.0317 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4D3907Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1231234-8?
1231234-8 is a WASHER,SPRING TENSION.
What parts can replace 1231234-8?
There is 1 known substitute for 1231234-8: 4D3907. Substitute compatibility should be verified for your specific system.
What is the NSN for 1231234-8?
1231234-8 is cataloged in the U.S. Government catalog under NSN 5310-00-522-3288. 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.