KRA-625 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KRA-625: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1074, ring_style: SPIRAL, usage_design: INTERNAL, inside_diameter: 5.881 INCHES MINIMUM AND 5.899 INCHES MAXIMUM IN, major_thickness: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-173-8725, 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

KRA-625

NSN: 5325-01-173-8725
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)

SPECIFICATIONS

material	STEEL COMP 1074
ring_style	SPIRAL
usage_design	INTERNAL
inside_diameter	5.881 INCHES MINIMUM AND 5.899 INCHES MAXIMUM IN
major_thickness	0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
strength_rating	ERR-060
outside_diameter	6.465 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
special_features	DOUBLE TURN AND LOCK
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	72.8 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM
material_document_and_classification	AMS 5120 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5325-01-173-8725

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 72.8 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM

•

USAGE DESIGN: INTERNAL

•

STRENGTH RATING: ERR-060

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5120 ASSN STD SINGLE MATERIAL RESPONSE

•

OUTSIDE DIAMETER: 6.465 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN

•

MAJOR THICKNESS: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 5.881 INCHES MINIMUM AND 5.899 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	72.8 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM
USAGE DESIGN	INTERNAL
STRENGTH RATING	ERR-060
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5120 ASSN STD SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER	6.465 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
MAJOR THICKNESS	0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
INSIDE DIAMETER	5.881 INCHES MINIMUM AND 5.899 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPIRAL
SPECIAL FEATURES	DOUBLE TURN AND LOCK

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

9648M79P15Reference document

Same NSN cross-reference

Reference document — Secondary reference

9648M79P46Reference document

Same NSN cross-reference

Reference document — Secondary reference

WHL-647-G-ZReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is KRA-625?

KRA-625 is a RING,RETAINING.

What parts can replace KRA-625?

There are 3 known substitutes for KRA-625: 9648M79P15, 9648M79P46, WHL-647-G-Z. Substitute compatibility should be verified for your specific system.

What is the NSN for KRA-625?

KRA-625 is cataloged in the U.S. Government catalog under NSN 5325-01-173-8725. This indicates validated use in U.S. government and defense supply chains.

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