49NU-101 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

49NU-101: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL EXCEPT INSERT, nut_style: HEXAGON, nut_height: 0.844 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-101-3120, 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

49NU-101

NSN: 5310-01-101-3120
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	STEEL OVERALL EXCEPT INSERT
nut_style	HEXAGON
nut_height	0.844 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
width_across_flats	1.045 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN
nominal_thread_size	0.625 INCHES IN
bearing_surface_type	CHAMFERED
special_test_features	LOCKING TORQUE IAW MIL-N-25027
thread_quantity_per_inch	11
NSN	5310-01-101-3120

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.045 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

SPECIAL TEST FEATURES: LOCKING TORQUE IAW MIL-N-25027

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.625 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.844 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.045 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
SPECIAL TEST FEATURES	LOCKING TORQUE IAW MIL-N-25027
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.625 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.844 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	11

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 4

R-523PIECE74Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

29NU-101Reference document

Same NSN cross-reference

Reference document — Secondary reference

PL A-1978 PIECE 51Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

49U-101Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 49NU-101?

49NU-101 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 49NU-101?

There are 4 known substitutes for 49NU-101: R-523PIECE74, 29NU-101, PL A-1978 PIECE 51 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 49NU-101?

49NU-101 is cataloged in the U.S. Government catalog under NSN 5310-01-101-3120. This indicates validated use in U.S. government and defense supply chains.

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49NU-101 — NUT,SELF-LOCKING,HEXAGON

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