PBR1393-5 — NUT,SELF-LOCKING,DOUBLE HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

PBR1393-5: NUT,SELF-LOCKING,DOUBLE HEXAGON.

NUT,SELF-LOCKING,DOUBLE HEXAGON. Key specifications include material: STEEL COMP 8740 OVERALL, nut_height: 0.430 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-184-0357, 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

PBR1393-5

NSN: 5310-01-184-0357
FSC: 5310 — Nuts and Washers
CAGE: 27624 — SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
nut_height	0.430 INCHES NOMINAL IN
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
special_features	THREAD SIZE: 0.437-20 UNJF-3B,HARDNESS: 44HRC, MAXIMUM,FINISH: CADMIUM PLATE PER AMS-QQ-P-416 WITH SALT SPRAY REQUIREMENTS PER TYPE II,CLASS 2
surface_treatment	CADMIUM OVERALL
width_across_flats	0.750 INCHES NOMINAL IN
nominal_thread_size	0.437 INCHES IN
supplementary_features	MOLYBDENUM DISULFIDE DRY FILM LUBRICANT PER AS5272,TYPE I
thread_quantity_per_inch	20
NSN	5310-01-184-0357

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

SUPPLEMENTARY FEATURES: MOLYBDENUM DISULFIDE DRY FILM LUBRICANT PER AS5272,TYPE I

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD SIZE: 0.437 INCHES IN

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
WIDTH ACROSS FLATS	0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
SUPPLEMENTARY FEATURES	MOLYBDENUM DISULFIDE DRY FILM LUBRICANT PER AS5272,TYPE I
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE	0.437 INCHES IN
NUT HEIGHT	0.430 INCHES NOMINAL IN
SPECIAL FEATURES	THREAD SIZE: 0.437-20 UNJF-3B,HARDNESS: 44HRC, MAXIMUM,FINISH: CADMIUM PLATE PER AMS-QQ-P-416 WITH SALT SPRAY REQUIREMENTS PER TYPE II,CLASS 2

SUBSTITUTES & CROSS-REFERENCES 2

BH0074-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HS4143-5Reference 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 PBR1393-5?

PBR1393-5 is a NUT,SELF-LOCKING,DOUBLE HEXAGON.

What parts can replace PBR1393-5?

There are 2 known substitutes for PBR1393-5: BH0074-7, HS4143-5. Substitute compatibility should be verified for your specific system.

What is the NSN for PBR1393-5?

PBR1393-5 is cataloged in the U.S. Government catalog under NSN 5310-01-184-0357. This indicates validated use in U.S. government and defense supply chains.

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PBR1393-5 — NUT,SELF-LOCKING,DOUBLE HEXAGON

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