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DD629B — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DD629B: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.750 INCHES NOMINAL IN, overall_height: 0.107 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.072 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-146-7305, 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
DD629B
NSN: 5310-01-146-7305
FSC: 5310 — Nuts and Washers
CAGE: 29964 — ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.750 INCHES NOMINAL IN
overall_height0.107 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.072 INCHES NOMINAL IN
NSN5310-01-146-7305
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DD629B · 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: 1.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.072 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.107 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.072 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.750 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 2
3146625-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B787-020-JReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is DD629B?
DD629B is a WASHER,SPRING TENSION.
What parts can replace DD629B?
There are 2 known substitutes for DD629B: 3146625-3, B787-020-J. Substitute compatibility should be verified for your specific system.
What is the NSN for DD629B?
DD629B is cataloged in the U.S. Government catalog under NSN 5310-01-146-7305. 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.