NT402659 — NUT,PLAIN,SINGLE BALL SEAT,HEXAG

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

NT402659: NUT,PLAIN,SINGLE BALL SEAT,HEXAG.

NUT,PLAIN,SINGLE BALL SEAT,HEXAG. Key specifications include material: PLASTIC LOCKING INSERT, nut_style: SINGLE BALL SEAT, HEXAGON, nut_height: 0.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-176-6677, 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

NT402659

NSN: 5310-00-176-6677
FSC: 5310 — Nuts and Washers
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)

SPECIFICATIONS

material	PLASTIC LOCKING INSERT
nut_style	SINGLE BALL SEAT, HEXAGON
nut_height	0.219 INCHES NOMINAL IN
thread_class	2B
thread_series	UNF
thread_direction	RIGHT-HAND
width_across_flats	0.433 INCHES NOMINAL IN
nominal_thread_size	0.250 INCHES IN
thread_quantity_per_inch	28
NSN	5310-00-176-6677

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.433 INCHES NOMINAL IN

•

THREAD SERIES: UNF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

NUT HEIGHT: 0.219 INCHES NOMINAL IN

•

NUT STYLE: SINGLE BALL SEAT, HEXAGON

•

THREAD CLASS: 2B

•

THREAD QUANTITY PER INCH: 28

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.433 INCHES NOMINAL IN
THREAD SERIES	UNF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
NUT HEIGHT	0.219 INCHES NOMINAL IN
NUT STYLE	SINGLE BALL SEAT, HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	28
MATERIAL	STEEL NUT
MATERIAL	PLASTIC LOCKING INSERT

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

5310001766677Reference document

Same NSN cross-reference

Reference document — Informative reference only

NT1161Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 NT402659?

NT402659 is a NUT,PLAIN,SINGLE BALL SEAT,HEXAG.

What parts can replace NT402659?

There are 2 known substitutes for NT402659: 5310001766677, NT1161. Substitute compatibility should be verified for your specific system.

What is the NSN for NT402659?

NT402659 is cataloged in the U.S. Government catalog under NSN 5310-00-176-6677. This indicates validated use in U.S. government and defense supply chains.

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NT402659 — NUT,PLAIN,SINGLE BALL SEAT,HEXAG

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