420991 — TERMINAL,FEEDTHRU

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

420991: TERMINAL,FEEDTHRU.

The TERMINAL,FEEDTHRU is a the manufacturer industrial component. Key specifications include material: PLASTIC INSULATION, head_style: ROUND, head_height: 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 0.369 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-042-0991, 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

420991

NSN: 5305-00-042-0991
NIINs: 000420991, 008937121
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)

SPECIFICATIONS

material	PLASTIC INSULATION
head_style	ROUND
head_height	0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
thread_length	0.369 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
overall_height	0.598 INCHES0.598 INCHES IN
fastener_length	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
washer_quantity	1
largest_diameter	0.094 INCHES ALL ENDS IN
thread_direction	RIGHT-HAND
basic_shape_style	NONTUBULAR HEX
NSN	5305-00-042-0991

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER

•

PRIMARY WASHER OUTSIDE DIAMETER: 0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.369 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
FASTENER LENGTH	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
PRIMARY WASHER OUTSIDE DIAMETER	0.460 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
THREAD LENGTH	0.369 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	66,1010-1020 FED STD SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	ROUND

SUBSTITUTES & CROSS-REFERENCES 4

DF4714Reference document

Same NSN cross-reference

Reference document — Secondary reference

7529-11AReference document

Same NSN cross-reference

Reference document — Secondary reference

505724Reference document

Same NSN cross-reference

Reference document — Secondary reference

7520831Reference document

Same NSN cross-reference

Reference document — Secondary 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 420991?

420991 is a TERMINAL,FEEDTHRU.

What parts can replace 420991?

There are 4 known substitutes for 420991: DF4714, 7529-11A, 505724 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 420991?

420991 is cataloged in the U.S. Government catalog under NSN 5305-00-042-0991. This indicates validated use in U.S. government and defense supply chains.

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