HR4L P/SB — SCREW ASSEMBLY,PANEL

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HR4L P/SB: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_class: 2A A, thread_length: 0.500 INCHES MINIMUM IN, fastener_length: 1.938 INCHES NOMINAL IN, special_features: HEAD 0.250 - 20 UNC 2B 0.438. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-472-5644, 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

HR4L P/SB

NSN: 5305-01-472-5644
FSC: 5305 — Screws
CAGE: 59793 — HYDAC CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
thread_class	2A A
thread_length	0.500 INCHES MINIMUM IN
fastener_length	1.938 INCHES NOMINAL IN
special_features	HEAD 0.250 - 20 UNC 2B 0.438
thread_direction	RIGHT-HAND
surface_treatment	CHROMATE ZINC OVERALL
width_between_flats	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
internal_drive_style	W/O INTERNAL DRIVE
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
NSN	5305-01-472-5644

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.938 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: IAW5633,TYPEII,CLASSFE/ZN 5 ASSN STD 1ST TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.500 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.938 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	IAW5633,TYPEII,CLASSFE/ZN 5 ASSN STD 1ST TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.500 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SPECIAL FEATURES	HEAD 0.250 - 20 UNC 2B 0.438
SURFACE TREATMENT	CHROMATE ZINC OVERALL
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE

SUBSTITUTES & CROSS-REFERENCES 3

12413103Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

12413103-04Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

12431103-04Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 HR4L P/SB?

HR4L P/SB is a SCREW ASSEMBLY,PANEL.

What parts can replace HR4L P/SB?

There are 3 known substitutes for HR4L P/SB: 12413103, 12413103-04, 12431103-04. Substitute compatibility should be verified for your specific system.

What is the NSN for HR4L P/SB?

HR4L P/SB is cataloged in the U.S. Government catalog under NSN 5305-01-472-5644. This indicates validated use in U.S. government and defense supply chains.

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