49NN-149 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

49NN-149: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: HEXAGON, nut_height: 0.660 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-448-6320, 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

49NN-149

NSN: 5310-01-448-6320
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL NUT
nut_style	HEXAGON
nut_height	0.660 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
temp_rating	250.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
width_across_flats	1.107 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
nominal_thread_size	0.875 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	9
NSN	5310-01-448-6320

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.107 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.875 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.660 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.107 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
TEMP RATING	250.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.875 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.660 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	3B
THREAD QUANTITY PER INCH	9

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

386B203014Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 49NN-149?

49NN-149 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 49NN-149?

There is 1 known substitute for 49NN-149: 386B203014. Substitute compatibility should be verified for your specific system.

What is the NSN for 49NN-149?

49NN-149 is cataloged in the U.S. Government catalog under NSN 5310-01-448-6320. This indicates validated use in U.S. government and defense supply chains.

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49NN-149 — NUT,SELF-LOCKING,HEXAGON

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