129FW-1032 — NUT,SELF-LOCKING,DOUBLE HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

129FW-1032: NUT,SELF-LOCKING,DOUBLE HEXAGON.

NUT,SELF-LOCKING,DOUBLE HEXAGON. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, nut_height: 0.355 INCHES MAXIMUM IN, temp_rating: 1200.0 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 5310-00-531-8831, 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

129FW-1032

NSN: 5310-00-531-8831
NIINs: 005318831, 011157229
FSC: 5310 — Nuts and Washers
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	DOUBLE HEXAGON
nut_height	0.355 INCHES MAXIMUM IN
temp_rating	1200.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating	45.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.385 INCHES MAXIMUM IN
NSN	5310-00-531-8831

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.380 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

TEMP RATING: 1200.0 FAHRENHEIT NOMINAL DEGF

•

WASHER THICKNESS: 0.050 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.310 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.380 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
TEMP RATING	1200.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS	0.050 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 6

627777Reference document

Same NSN cross-reference

Reference document — Secondary reference

H19517-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

375094Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

598565Reference document

Same NSN cross-reference

Reference document — Secondary reference

SL7092C-1032Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST1183Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 129FW-1032?

129FW-1032 is a NUT,SELF-LOCKING,DOUBLE HEXAGON.

What parts can replace 129FW-1032?

There are 6 known substitutes for 129FW-1032: 627777, H19517-3, 375094 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 129FW-1032?

129FW-1032 is cataloged in the U.S. Government catalog under NSN 5310-00-531-8831. This indicates validated use in U.S. government and defense supply chains.

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129FW-1032 — NUT,SELF-LOCKING,DOUBLE HEXAGON

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