9977M25P03 — NUT,SELF-LOCKING,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

9977M25P03: NUT,SELF-LOCKING,SPLINE.

The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include nut_style: SPLINE, nut_height: 0.505 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, nut_diameter: 0.560 INCHES NOMINAL IN, pilot_length: 0.085 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-176-2007, 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

9977M25P03

NSN: 5310-01-176-2007
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

nut_style	SPLINE
nut_height	0.505 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
nut_diameter	0.560 INCHES NOMINAL IN
pilot_length	0.085 INCHES NOMINAL IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
pilot_diameter	0.610 INCHES NOMINAL IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
nominal_thread_size	0.375 INCHES IN
thread_quantity_per_inch	24
material_document_and_classification	GEN.ELEC.-50TF7 CL-H WIH EXCEPTIONS INDICATED ON DRAWING NO.9977-25 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-176-2007

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: GEN.ELEC.-50TF7 CL-H WIH EXCEPTIONS INDICATED ON DRAWING NO.9977-25 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

•

NUT DIAMETER: 0.560 INCHES NOMINAL IN

•

PILOT DIAMETER: 0.610 INCHES NOMINAL IN

•

PILOT LENGTH: 0.085 INCHES NOMINAL IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	GEN.ELEC.-50TF7 CL-H WIH EXCEPTIONS INDICATED ON DRAWING NO.9977-25 MFR REF SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
NUT DIAMETER	0.560 INCHES NOMINAL IN
PILOT DIAMETER	0.610 INCHES NOMINAL IN
PILOT LENGTH	0.085 INCHES NOMINAL IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.505 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
NUT STYLE	SPLINE

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

LH12281-6Reference document

Same NSN cross-reference

Reference document — Secondary reference

9977M25P01Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

9977M2SP02Reference document

Same NSN cross-reference

Reference document — Secondary reference

9977M25P04Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 9977M25P03?

9977M25P03 is a NUT,SELF-LOCKING,SPLINE.

What parts can replace 9977M25P03?

There are 4 known substitutes for 9977M25P03: LH12281-6, 9977M25P01, 9977M2SP02 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 9977M25P03?

9977M25P03 is cataloged in the U.S. Government catalog under NSN 5310-01-176-2007. This indicates validated use in U.S. government and defense supply chains.

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9977M25P03 — NUT,SELF-LOCKING,SPLINE

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