33A7-126 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

33A7-126: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4037 OR STEEL COMP 8630 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-151-9080, 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

33A7-126

NSN: 5310-00-151-9080
FSC: 5310 — Nuts and Washers
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OR STEEL COMP 4037 OR STEEL COMP 8630 OVERALL
nut_style	DOUBLE HEXAGON
lubrication	SOLUBLE LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.786 INCHES MAXIMUM IN
hardness_rating	38.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.183 INCHES MINIMUM IN
surface_treatment	CADMIUM OVERALL
NSN	5310-00-151-9080

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLUBLE LUBRICANT

•

WASHER OUTSIDE DIAMETER: 1.250 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

•

HARDNESS RATING: 38.0 ROCKWELL C MAXIMUM

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLUBLE LUBRICANT
OVERALL HEIGHT	0.786 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	1.250 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING	38.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.183 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6280 ASSN STD 3RD MATERIAL RESPONSE OVERALL

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

42FW1216Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0705023Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 33A7-126?

33A7-126 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 33A7-126?

There are 2 known substitutes for 33A7-126: 42FW1216, 5310PL0705023. Substitute compatibility should be verified for your specific system.

What is the NSN for 33A7-126?

33A7-126 is cataloged in the U.S. Government catalog under NSN 5310-00-151-9080. This indicates validated use in U.S. government and defense supply chains.

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33A7-126 — NUT,SELF-LOCKING,EXTENDED WASHER

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