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101739-1 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

101739-1: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 0.531 INCHES NOMINAL IN, overall_height: 0.129 INCHES NOMINAL IN, outside_diameter: 0.795 INCHES NOMINAL IN, material_thickness: 0.0113 INCHES NOMINAL IN, material_document_and_classification: MIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-105-9398, 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
101739-1
NSN: 5310-01-105-9398
FSC: 5310 — Nuts and Washers
CAGE: 77646 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA AEROSPACE SYSTEMS DIV AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter0.531 INCHES NOMINAL IN
overall_height0.129 INCHES NOMINAL IN
outside_diameter0.795 INCHES NOMINAL IN
material_thickness0.0113 INCHES NOMINAL IN
material_document_and_classificationMIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-105-9398
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101739-1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.795 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0113 INCHES NOMINAL IN
•
COLOR: BLUE OVERALL
•
MATERIAL: STEEL COMP 1075 OVERALL
•
HOLE DIAMETER: 0.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.129 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.795 INCHES NOMINAL IN
MATERIAL THICKNESS0.0113 INCHES NOMINAL IN
COLORBLUE OVERALL
MATERIALSTEEL COMP 1075 OVERALL
HOLE DIAMETER0.531 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
U500-0113Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SA13591-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 101739-1?
101739-1 is a WASHER,SPRING TENSION.
What parts can replace 101739-1?
There are 2 known substitutes for 101739-1: U500-0113, SA13591-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 101739-1?
101739-1 is cataloged in the U.S. Government catalog under NSN 5310-01-105-9398. 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.