3100-81-SS2 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3100-81-SS2: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.751 INCHES NOMINAL IN, major_thickness: 0.042 INCHES NOMINAL IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-804-7651, 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

3100-81-SS2

NSN: 5325-00-804-7651
FSC: 5325 — Fastening Devices
CAGE: 97464 — TRUARC CO LLC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
ring_style	EXTERNAL
usage_design	EXTERNAL
inside_diameter	0.751 INCHES NOMINAL IN
major_thickness	0.042 INCHES NOMINAL IN
surface_treatment	PASSIVATE
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_style	RECTANGULAR
NSN	5325-00-804-7651

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM

•

USAGE DESIGN: EXTERNAL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

MAJOR THICKNESS: 0.042 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.751 INCHES NOMINAL IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

•

RING STYLE: EXTERNAL

•

SURFACE TREATMENT: PASSIVATE

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGN	EXTERNAL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
MAJOR THICKNESS	0.042 INCHES NOMINAL IN
INSIDE DIAMETER	0.751 INCHES NOMINAL IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	EXTERNAL
SURFACE TREATMENT	PASSIVATE
MATERIAL	STEEL CORROSION RESISTING

SUBSTITUTES & CROSS-REFERENCES 4

W500SSReference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-DTL-21248Reference document

Same NSN cross-reference

Reference document — Identification reference

5100-81HReference document

Same NSN cross-reference

Reference document — Secondary reference

MS16624-4081Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3100-81-SS2?

3100-81-SS2 is a RING,RETAINING.

What parts can replace 3100-81-SS2?

There are 4 known substitutes for 3100-81-SS2: W500SS, MIL-DTL-21248, 5100-81H and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3100-81-SS2?

3100-81-SS2 is cataloged in the U.S. Government catalog under NSN 5325-00-804-7651. This indicates validated use in U.S. government and defense supply chains.

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