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11628701 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11628701: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 2.185 INCHES NOMINAL IN, overall_height: 0.180 INCHES NOMINAL IN, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM, outside_diameter: 3.500 INCHES NOMINAL IN, material_thickness: 0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-109-1983, 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
11628701
NSN: 5310-01-109-1983
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter2.185 INCHES NOMINAL IN
overall_height0.180 INCHES NOMINAL IN
hardness_rating44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
outside_diameter3.500 INCHES NOMINAL IN
material_thickness0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
NSN5310-01-109-1983
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11628701 · 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: 44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
•
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1075 OVERALL
•
HOLE DIAMETER: 2.185 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.180 INCHES NOMINAL IN
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1075 OVERALL
HOLE DIAMETER2.185 INCHES NOMINAL 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

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 11628701?
11628701 is a WASHER,SPRING TENSION.
What is the NSN for 11628701?
11628701 is cataloged in the U.S. Government catalog under NSN 5310-01-109-1983. 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.