THCR-355 — NUT,SELF-LOCKING,CASTELLATED,HEX

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

THCR-355: NUT,SELF-LOCKING,CASTELLATED,HEX.

NUT,SELF-LOCKING,CASTELLATED,HEX. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-152-0597, 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

THCR-355

NSN: 5310-01-152-0597
FSC: 5310 — Nuts and Washers
CAGE: 62554 — ALCOA GLOBAL FASTENERS, INC DBA SIMMONDS MECAERO FAS PDTS DIV SIMMONDS MECAERO FAS PDTS (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	CASTELLATED, HEXAGON
nut_height	0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
lubrication	SOLUBLE LUBRICANT
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNF
hardness_rating	36.0 ROCKWELL C MINIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
NSN	5310-01-152-0597

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLUBLE LUBRICANT

•

WIDTH ACROSS FLATS: 0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNF

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLUBLE LUBRICANT
WIDTH ACROSS FLATS	0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
HARDNESS RATING	36.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

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 3

TE-9868-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS14145-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

5310PL0821496Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is THCR-355?

THCR-355 is a NUT,SELF-LOCKING,CASTELLATED,HEX.

What parts can replace THCR-355?

There are 3 known substitutes for THCR-355: TE-9868-5, MS14145-5, 5310PL0821496. Substitute compatibility should be verified for your specific system.

What is the NSN for THCR-355?

THCR-355 is cataloged in the U.S. Government catalog under NSN 5310-01-152-0597. This indicates validated use in U.S. government and defense supply chains.

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THCR-355 — NUT,SELF-LOCKING,CASTELLATED,HEX

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