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2300-0904-001 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2300-0904-001: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 305 OVERALL, hole_diameter: 0.128 INCHES MINIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, outside_diameter: 0.239 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-LEFT HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-129-0454, 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
2300-0904-001
NSN: 5310-01-129-0454
FSC: 5310 — Nuts and Washers
CAGE: 06032 — ANTENNA PRODUCTS CORPORATION DBA ANTENNA PRODUCTS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 305 OVERALL
hole_diameter0.128 INCHES MINIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter0.239 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-LEFT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.047 INCHES MINIMUM IN
material_document_and_classificationASTMA-313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-129-0454
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2300-0904-001 · 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: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-LEFT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA-313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.239 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 305 OVERALL
•
HOLE DIAMETER: 0.128 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPLIT HELICAL-LEFT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA-313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.239 INCHES MAXIMUM IN
MATERIAL THICKNESS0.047 INCHES MINIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 305 OVERALL
HOLE DIAMETER0.128 INCHES MINIMUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2300-0904-001?
2300-0904-001 is a WASHER,LOCK.
What is the NSN for 2300-0904-001?
2300-0904-001 is cataloged in the U.S. Government catalog under NSN 5310-01-129-0454. 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.