28281B — INSERT,SCREW THREAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

28281B: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.562 INCHES NOMINAL IN, insert_size: 0.731-13 NS NS, special_features: ONE HOLE,0.156 IN. DIA,0.130 IN.

MIN TO 0.145 IN. MAX LG FROM NEAREST OUTSIDE EDGE TO HOLE CENTERLINE IN, style_designator: PLAIN, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-807-5084, 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

28281B

NSN: 5325-00-807-5084
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

length	0.562 INCHES NOMINAL IN
insert_size	0.731-13 NS NS
special_features	ONE HOLE,0.156 IN. DIA,0.130 IN. MIN TO 0.145 IN. MAX LG FROM NEAREST OUTSIDE EDGE TO HOLE CENTERLINE IN
style_designator	PLAIN
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.500 INCHES IN
thread_quantity_per_inch	13
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5325-00-807-5084

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 0.562 INCHES NOMINAL IN

•

INSERT SIZE: 0.731-13 NS NS

•

STYLE DESIGNATOR: PLAIN

•

NOMINAL THREAD SIZE: 0.500 INCHES IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

THREAD QUANTITY PER INCH: 13

•

THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

LENGTH	0.562 INCHES NOMINAL IN
INSERT SIZE	0.731-13 NS NS
STYLE DESIGNATOR	PLAIN
NOMINAL THREAD SIZE	0.500 INCHES IN
SPECIAL FEATURES	ONE HOLE,0.156 IN. DIA,0.130 IN. MIN TO 0.145 IN. MAX LG FROM NEAREST OUTSIDE EDGE TO HOLE CENTERLINE IN
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

OTHER ITEMS IN FSC 5325 — Fastening Devices

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES 3

335C830H07Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SC5310-0021-417Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

HS50013-50Same 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 28281B?

28281B is a INSERT,SCREW THREAD.

What parts can replace 28281B?

There are 3 known substitutes for 28281B: 335C830H07, SC5310-0021-417, HS50013-50. Substitute compatibility should be verified for your specific system.

What is the NSN for 28281B?

28281B is cataloged in the U.S. Government catalog under NSN 5325-00-807-5084. This indicates validated use in U.S. government and defense supply chains.

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