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2151100138 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2151100138: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, outside_diameter: 0.207 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-4457, 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
2151100138
NSN: 5310-00-209-4457
FSC: 5310 — Nuts and Washers
CAGE: 57057 — NAVCOM DEFENSE ELECTRONICS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
outside_diameter0.207 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-209-4457
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2151100138 · 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: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.207 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.207 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 4
93621-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
59048-30Reference document
Same NSN cross-reference
Reference document — Secondary reference
HP799J04MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
332060-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2151100138?
2151100138 is a WASHER,LOCK.
What parts can replace 2151100138?
There are 4 known substitutes for 2151100138: 93621-5, 59048-30, HP799J04M and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2151100138?
2151100138 is cataloged in the U.S. Government catalog under NSN 5310-00-209-4457. 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.