ST2590-09 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

ST2590-09: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), thread_direction: RIGHT-HAND, nominal_thread_size: 0.190 INCHES IN, end_item_identification: ENGINE,AIRCRAFT F100-PW-229. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-495-1397, 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

ST2590-09

NSN: 5310-01-495-1397
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
thread_direction	RIGHT-HAND
nominal_thread_size	0.190 INCHES IN
end_item_identification	ENGINE,AIRCRAFT F100-PW-229
thread_quantity_per_inch	32
NSN	5310-01-495-1397

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.190 INCHES IN

•

NUT STYLE: DOUBLE HEXAGON

•

THREAD CLASS: 3B

•

THREAD QUANTITY PER INCH: 32

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.190 INCHES IN
NUT STYLE	DOUBLE HEXAGON
THREAD CLASS	3B
END ITEM IDENTIFICATION	ENGINE,AIRCRAFT F100-PW-229
THREAD QUANTITY PER INCH	32

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 7

ST2595-09Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

IC ST2590-09Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST2591-09Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0754423Reference document

Same NSN cross-reference

Reference document — Informative reference only

ST2594-09Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST2593-09Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST2590-09?

ST2590-09 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace ST2590-09?

There are 7 known substitutes for ST2590-09: ST2595-09, IC ST2590-09, ST2591-09 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for ST2590-09?

ST2590-09 is cataloged in the U.S. Government catalog under NSN 5310-01-495-1397. This indicates validated use in U.S. government and defense supply chains.

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ST2590-09 — NUT,SELF-LOCKING,EXTENDED WASHER

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