6512-21-127-0101 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6512-21-127-0101: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, nut_style: ROUND, nut_diameter: 5.802 INCHES MINIMUM AND 5.812 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 1.315 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-146-8166, 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

6512-21-127-0101

NSN: 5310-01-146-8166
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
nut_style	ROUND
nut_diameter	5.802 INCHES MINIMUM AND 5.812 INCHES MAXIMUM IN
thread_class	3B
nut_thickness	1.315 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN
thread_series	UNIFIED NATIONAL JOINT (UNJ)
hardness_rating	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
precious_material	SILVER
surface_treatment	SILVER THREADS
small_end_diameter	5.560 INCHES MINIMUM AND 5.563 INCHES MAXIMUM IN
nominal_thread_size	5.000 INCHES IN
NSN	5310-01-146-8166

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE THREADS

•

THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)

•

PRECIOUS MATERIAL: SILVER

•

HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS6371 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 5.000 INCHES IN

•

NUT DIAMETER: 5.802 INCHES MINIMUM AND 5.812 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE THREADS
THREAD SERIES	UNIFIED NATIONAL JOINT (UNJ)
PRECIOUS MATERIAL	SILVER
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6371 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	5.000 INCHES IN
NUT DIAMETER	5.802 INCHES MINIMUM AND 5.812 INCHES MAXIMUM IN
NUT THICKNESS	1.315 INCHES MINIMUM AND 1.325 INCHES MAXIMUM IN
SMALL END DIAMETER	5.560 INCHES MINIMUM AND 5.563 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 1

65122-11270-102Reference 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 6512-21-127-0101?

6512-21-127-0101 is a NUT,PLAIN,ROUND.

What parts can replace 6512-21-127-0101?

There is 1 known substitute for 6512-21-127-0101: 65122-11270-102. Substitute compatibility should be verified for your specific system.

What is the NSN for 6512-21-127-0101?

6512-21-127-0101 is cataloged in the U.S. Government catalog under NSN 5310-01-146-8166. This indicates validated use in U.S. government and defense supply chains.

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6512-21-127-0101 — NUT,PLAIN,ROUND

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