868-8421 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

868-8421: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 661 OVERALL, head_style: HEXAGON, head_height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.750 INCHES NOMINAL IN, fastener_length: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-421-2028, 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

868-8421

NSN: 5305-01-421-2028
FSC: 5305 — Screws
CAGE: 0EXU3 — AQUA-CHEM, INC. DBA AQUA-CHEM INC (USA)

SPECIFICATIONS

material	COPPER ALLOY 661 OVERALL
head_style	HEXAGON
head_height	0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class	2A A
thread_length	1.750 INCHES NOMINAL IN
fastener_length	3.500 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
width_between_flats	1.100 INCHES MINIMUM AND 1.299 INCHES MAXIMUM IN
nominal_thread_diameter	0.750 INCHES IN
thread_quantity_per_inch	10
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-421-2028

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN

•

FASTENER LENGTH: 3.500 INCHES NOMINAL IN

•

THREAD LENGTH: 1.750 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.750 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
FASTENER LENGTH	3.500 INCHES NOMINAL IN
THREAD LENGTH	1.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	1.100 INCHES MINIMUM AND 1.299 INCHES MAXIMUM IN
THREAD CLASS	2A A

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

649-D-7546 ITEM 7Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy 868-8421?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 868-8421?

868-8421 is a SCREW,CAP,HEXAGON HEAD.

What parts can replace 868-8421?

There is 1 known substitute for 868-8421: 649-D-7546 ITEM 7. Substitute compatibility should be verified for your specific system.

What is the NSN for 868-8421?

868-8421 is cataloged in the U.S. Government catalog under NSN 5305-01-421-2028. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

868-8421 — SCREW,CAP,HEXAGON HEAD

Request a Quote — 868-8421