21857-1 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21857-1: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL, shell_type: SOLID, terminal_type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 1.557 INCHES MAXIMUM IN, shell_material: ALUMINUM ALLOY, contact_material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING. This part is cataloged in the U.S.

Government catalog under NSN 5999-00-442-9434, 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→ 21857-1

NSN: 5999-00-442-9434
NIINs: 004429434, 010206455
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)

SPECIFICATIONS

body_style	STRAIGHT SHAPE, INTERNAL COUPLING W/BACKSHELL
shell_type	SOLID
terminal_type	CRIMP SINGLE MATING END SINGLE CONTACT GROUPING
overall_length	1.557 INCHES MAXIMUM IN
shell_material	ALUMINUM ALLOY
contact_material	COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
overall_diameter	0.906 INCHES MAXIMUM IN
precious_material	GOLD
terminal_location	BACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity	1
polarization_method	KEYWAY OR MULTIPLE KEYWAY
contact_removability	REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
NSN	5999-00-442-9434

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES

NYLON PER MIL-M-20693A,TYPE 1; COLOR NATURAL; 0.375 IN. DIA; 0.055 IN. THK; EIGHT 0.036 IN. DIA THRU HOLES WITH 0.050 IN. DIA COUNTERSUNK EDGES EQUALLY SPACED FORTY-FIVE DEGREES C TO C ON A 0.230 IN. DIA; FOUR 0.050 IN. DIA X 0.020 IN. H FEET EQUALLY SPACED NINETY DEGREES C TO C ON A 0.320 IN. DIA; ONE 0.160 IN. DIA CENTER HOLE A

SUBSTITUTES & CROSS-REFERENCES 6

7717-38NReference document

Same NSN cross-reference

Reference document — Secondary reference

10249NReference document

Same NSN cross-reference

Reference document — Secondary reference

82351-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10139398Reference document

Same NSN cross-reference

Reference document — Informative reference only

7717-38NWHITEReference document

Same NSN cross-reference

Reference document — Secondary reference

810-249NYNATURALReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21857-1?

21857-1 is a CONNECTOR,PLUG,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).

What parts can replace 21857-1?

There are 6 known substitutes for 21857-1: 7717-38N, 10249N, 82351-1 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 21857-1?

21857-1 is cataloged in the U.S. Government catalog under NSN 5999-00-442-9434. This indicates validated use in U.S. government and defense supply chains.

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21857-1 — CONNECTOR,PLUG,ELECTRICAL

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