DF4-99 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

DF4-99: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, usage_design: EXTERNAL, inside_diameter: 1.323 INCHES MINIMUM AND 1.339 INCHES MAXIMUM IN, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, strength_rating: ERR-060, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-664-2786, 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

DF4-99

NSN: 5325-00-664-2786
FSC: 5325 — Fastening Devices
CAGE: 34640 — LA CROSSE TRAILER CORP (USA)

SPECIFICATIONS

material	STEEL
ring_style	C
usage_design	EXTERNAL
inside_diameter	1.323 INCHES MINIMUM AND 1.339 INCHES MAXIMUM IN
major_thickness	0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
strength_rating	ERR-060
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	RECTANGULAR
criticality_code_justification	ZZZY
departure_from_cited_designator	AS MODIFIED BY STRENGTH RATING
material_document_and_classification	SAE NO. 1066 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5325-00-664-2786

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: EXTERNAL

•

STRENGTH RATING: ERR-060

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE NO. 1066 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY STRENGTH RATING

•

MAJOR THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGN	EXTERNAL
STRENGTH RATING	ERR-060
CRITICALITY CODE JUSTIFICATION	ZZZY
MATERIAL DOCUMENT AND CLASSIFICATION	SAE NO. 1066 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY STRENGTH RATING
MAJOR THICKNESS	0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
INSIDE DIAMETER	1.323 INCHES MINIMUM AND 1.339 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED

SUBSTITUTES & CROSS-REFERENCES 2

5103-150Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS16632-150Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is DF4-99?

DF4-99 is a RING,RETAINING.

What parts can replace DF4-99?

There are 2 known substitutes for DF4-99: 5103-150, MS16632-150. Substitute compatibility should be verified for your specific system.

What is the NSN for DF4-99?

DF4-99 is cataloged in the U.S. Government catalog under NSN 5325-00-664-2786. This indicates validated use in U.S. government and defense supply chains.

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