H31-04K — NUT,SELF-LOCKING,CAP

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

H31-04K: NUT,SELF-LOCKING,CAP.

The NUT,SELF-LOCKING,CAP is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 NUT, nut_style: CAP, nut_height: 0.313 INCHES MAXIMUM IN, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-896-1572, 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

H31-04K

NSN: 5310-00-896-1572
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 NUT
nut_style	CAP
nut_height	0.313 INCHES MAXIMUM IN
temp_rating	800.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
nominal_thread_size	0.112 INCHES IN
NSN	5310-00-896-1572

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

PRECIOUS MATERIAL: SILVER

•

TEMP RATING: 800.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD 1ST MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.112 INCHES IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
PRECIOUS MATERIAL	SILVER
TEMP RATING	800.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD 1ST MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.313 INCHES MAXIMUM 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 2

610056P1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

860128-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 H31-04K?

H31-04K is a NUT,SELF-LOCKING,CAP.

What parts can replace H31-04K?

There are 2 known substitutes for H31-04K: 610056P1, 860128-1. Substitute compatibility should be verified for your specific system.

What is the NSN for H31-04K?

H31-04K is cataloged in the U.S. Government catalog under NSN 5310-00-896-1572. This indicates validated use in U.S. government and defense supply chains.

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