21B-3-5-3 — 21B-3-5-3

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21B-3-5-3: 21B-3-5-3.

The 21B-3-5-3 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172, overall_width: 0.190 INCHES NOMINAL IN, overall_height: 0.120 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, special_features: MTG HOLES SPACED 2.250 C TO C, surface_treatment: CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5998-01-124-0102, 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

MRO→ MRO_GENERAL→ 21B-3-5-3

NSN: 5998-01-124-0102
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
CAGE: 61081 — SCHROFF INC (USA)

SPECIFICATIONS

material	COPPER ALLOY 172
overall_width	0.190 INCHES NOMINAL IN
overall_height	0.120 INCHES NOMINAL IN
overall_length	2.500 INCHES NOMINAL IN
special_features	MTG HOLES SPACED 2.250 C TO C
surface_treatment	CADMIUM
unthreaded_mounting_hole_diameter	0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN
mounting_facility_type_and_quantity	2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
surface_treatment_document_and_classification	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
NSN	5998-01-124-0102

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN

•

SURFACE TREATMENT: CADMIUM

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
OVERALL HEIGHT	0.120 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
UNTHREADED MOUNTING HOLE DIAMETER	0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN
OVERALL LENGTH	2.500 INCHES NOMINAL IN
OVERALL WIDTH	0.190 INCHES NOMINAL IN
SPECIAL FEATURES	MTG HOLES SPACED 2.250 C TO C
SURFACE TREATMENT	CADMIUM
MATERIAL	COPPER ALLOY 172

OTHER ITEMS IN FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware

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

5998-00-000-0087 5998-00-000-0089 5998-00-000-0154 5998-00-000-0173 5998-00-000-0175 5998-00-000-0177 5998-00-001-1267 5998-00-001-1271

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 21B-3-5-3?

21B-3-5-3 is a 21B-3-5-3. It is classified as a MRO (MRO_GENERAL).

What is the NSN for 21B-3-5-3?

21B-3-5-3 is cataloged in the U.S. Government catalog under NSN 5998-01-124-0102. This indicates validated use in U.S. government and defense supply chains.

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