03A136W4C — NUT,SELF-LOCKING,ASSEMBLED WASHE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

03A136W4C: NUT,SELF-LOCKING,ASSEMBLED WASHE.

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: IRON ALLOY 660 NUT, nut_style: FLAT WITH TURNED UP EDGE, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.340 INCHES MAXIMUM IN, hardness_rating: 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-475-6869, 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

03A136W4C

NSN: 5310-01-475-6869
FSC: 5310 — Nuts and Washers
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)

SPECIFICATIONS

material	IRON ALLOY 660 NUT
nut_style	FLAT WITH TURNED UP EDGE
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.340 INCHES MAXIMUM IN
hardness_rating	33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
counterbore_diameter	0.267 INCHES MINIMUM AND 0.272 INCHES MAXIMUM FIRST END IN
NSN	5310-01-475-6869

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.460 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732,A-286 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737,A-286 ASSN STD 2ND MATERIAL RESPONSE NUT A

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.340 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.460 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732,A-286 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737,A-286 ASSN STD 2ND MATERIAL RESPONSE NUT A
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,300 SERIES FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766,300 SERIES FED SPEC 2ND MATERIAL RESPONSE WASHER
NUT COUNTERBORE DEPTH	0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM FIRST END IN
THREAD DIRECTION	RIGHT-HAND

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 03A136W4C?

03A136W4C is a NUT,SELF-LOCKING,ASSEMBLED WASHE.

What is the NSN for 03A136W4C?

03A136W4C is cataloged in the U.S. Government catalog under NSN 5310-01-475-6869. This indicates validated use in U.S. government and defense supply chains.

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03A136W4C — NUT,SELF-LOCKING,ASSEMBLED WASHE

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