MS172251 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

MS172251: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, nut_style: ROUND, nut_diameter: 3.673 INCHES MINIMUM AND 3.693 INCHES MAXIMUM IN, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNS, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-899-6717, 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

MS172251

NSN: 5310-00-899-6717
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
nut_style	ROUND
nut_diameter	3.673 INCHES MINIMUM AND 3.693 INCHES MAXIMUM IN
nut_thickness	0.375 INCHES NOMINAL IN
thread_series	UNS
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
drive_point_depth	0.125 INCHES NOMINAL IN
drive_point_width	0.375 INCHES NOMINAL IN
nominal_thread_size	2.933 INCHES IN
drive_point_quantity	8
NSN	5310-00-899-6717

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNS

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

THREAD PITCH DIAMETERS: +2.8789 TO 2.8843 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DRIVE POINT WIDTH: 0.375 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 2.933 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNS
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS	+2.8789 TO 2.8843 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH	0.375 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	2.933 INCHES IN
NUT DIAMETER	3.673 INCHES MINIMUM AND 3.693 INCHES MAXIMUM IN
DRIVE POINT DEPTH	0.125 INCHES NOMINAL 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

5310008996717Reference 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 MS172251?

MS172251 is a NUT,PLAIN,ROUND.

What parts can replace MS172251?

There is 1 known substitute for MS172251: 5310008996717. Substitute compatibility should be verified for your specific system.

What is the NSN for MS172251?

MS172251 is cataloged in the U.S. Government catalog under NSN 5310-00-899-6717. This indicates validated use in U.S. government and defense supply chains.

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MS172251 — NUT,PLAIN,ROUND

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