260421-8 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

260421-8: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-618-2516, 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

260421-8

NSN: 5331-00-618-2516
NIINs: 006182516, 013494901
FSC: 5331 — O-ring
CAGE: 94592 — FLUID CONDITIONING PRODUCTS, INC. (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT CHAMFER
head_height	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length	0.310 INCHES NOMINAL IN
fastener_length	0.880 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.190 INCHES IN
NSN	5331-00-618-2516

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 1.512 INCHES NOMINAL IN

•

HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL

•

ELONGATION PERCENTAGE: 250 MAXIMUM

•

CENTER HOLE DIAMETER: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER	1.512 INCHES NOMINAL IN
HARDNESS RATING	70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE	250 MAXIMUM
CENTER HOLE DIAMETER	1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 7

AMS-R-7362Reference document

Same NSN cross-reference

Reference document — Secondary reference

15970Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2-218612-45Reference document

Same NSN cross-reference

Reference document — Secondary reference

AN6227-23VIT0NASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MS29561-218Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

33149Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Shelf-life managedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 260421-8?

260421-8 is a SCREW,EXTERNALLY RELIEVED BODY.

What parts can replace 260421-8?

There are 7 known substitutes for 260421-8: AMS-R-7362, 15970, 2-218612-45 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 260421-8?

260421-8 is cataloged in the U.S. Government catalog under NSN 5331-00-618-2516. This indicates validated use in U.S. government and defense supply chains.

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260421-8 — SCREW,EXTERNALLY RELIEVED BODY

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