MS51991-205 — INSERT,SCREW THREAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS51991-205: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.438 INCHES NOMINAL IN, material: STEEL COMP 1117 OVERALL, insert_size: 0.312-18 NC CLASS 3, flange_diameter: 0.359 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN, style_designator: SERRATED, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-290-5124, 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

MS51991-205

NSN: 5325-00-290-5124
FSC: 5325 — Fastening Devices
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

length	0.438 INCHES NOMINAL IN
material	STEEL COMP 1117 OVERALL
insert_size	0.312-18 NC CLASS 3
flange_diameter	0.359 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
style_designator	SERRATED
surface_treatment	CADMIUM OVERALL
material_document_and_classification	AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5325-00-290-5124

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE DIAMETER: 0.359 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN

•

LENGTH: 0.438 INCHES NOMINAL IN

•

INSERT SIZE: 0.312-18 NC CLASS 3

•

STYLE DESIGNATOR: SERRATED

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SURFACE TREATMENT: CADMIUM OVERALL

•

MATERIAL: STEEL COMP 1117 OVERALL

TECHNICAL CHARACTERISTICS

FLANGE DIAMETER	0.359 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
LENGTH	0.438 INCHES NOMINAL IN
INSERT SIZE	0.312-18 NC CLASS 3
STYLE DESIGNATOR	SERRATED
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL COMP 1117 OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

7416208Reference document

Same NSN cross-reference

Reference document — Secondary reference

R205SB7Reference document

Same NSN cross-reference

Reference document — Secondary reference

RDJ205SB7Reference document

Same NSN cross-reference

Reference document — Secondary reference

502226Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is MS51991-205?

MS51991-205 is a INSERT,SCREW THREAD.

What parts can replace MS51991-205?

There are 4 known substitutes for MS51991-205: 7416208, R205SB7, RDJ205SB7 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS51991-205?

MS51991-205 is cataloged in the U.S. Government catalog under NSN 5325-00-290-5124. This indicates validated use in U.S. government and defense supply chains.

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