5310PL1997101 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

5310PL1997101: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.473 INCHES MAXIMUM IN, hardness_rating: 48.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-395-7749, 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

5310PL1997101

NSN: 5310-00-395-7749
FSC: 5310 — Nuts and Washers
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.473 INCHES MAXIMUM IN
hardness_rating	48.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.065 INCHES MINIMUM IN
countersink_angle	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
width_across_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_size	0.312 INCHES IN
NSN	5310-00-395-7749

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.541 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

HARDNESS RATING: 48.0 ROCKWELL C MAXIMUM

•

WASHER THICKNESS: 0.065 INCHES MINIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.473 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.541 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
HARDNESS RATING	48.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.065 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

SUBSTITUTES & CROSS-REFERENCES 6

5310PL1997105Reference document

Same NSN cross-reference

Reference document — Informative reference only

ST2173-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310PL0723923Reference document

Same NSN cross-reference

Reference document — Informative reference only

ST2156-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LH11588-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST2169-02Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 5310PL1997101?

5310PL1997101 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 5310PL1997101?

There are 6 known substitutes for 5310PL1997101: 5310PL1997105, ST2173-11, 5310PL0723923 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 5310PL1997101?

5310PL1997101 is cataloged in the U.S. Government catalog under NSN 5310-00-395-7749. This indicates validated use in U.S. government and defense supply chains.

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5310PL1997101 — NUT,SELF-LOCKING,EXTENDED WASHER

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