STSCA006-04 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

STSCA006-04: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, nut_style: HEXAGON, lubrication: SOLUBLE LUBRICANT, temp_rating: -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-449-2923, 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

STSCA006-04

NSN: 5310-00-449-2923
FSC: 5310 — Nuts and Washers
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
nut_style	HEXAGON
lubrication	SOLUBLE LUBRICANT
temp_rating	-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNF
overall_height	0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
surface_treatment	ANODIZE OVERALL
width_across_flats	0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
NSN	5310-00-449-2923

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLUBLE LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.244 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNF

•

TEMP RATING: -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF

•

WASHER THICKNESS: 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLUBLE LUBRICANT
OVERALL HEIGHT	0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.244 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
TEMP RATING	-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
WASHER THICKNESS	0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.025 INCHES MINIMUM NUT 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 1

TLN10-4Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is STSCA006-04?

STSCA006-04 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace STSCA006-04?

There is 1 known substitute for STSCA006-04: TLN10-4. Substitute compatibility should be verified for your specific system.

What is the NSN for STSCA006-04?

STSCA006-04 is cataloged in the U.S. Government catalog under NSN 5310-00-449-2923. This indicates validated use in U.S. government and defense supply chains.

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