AS4891 — PLUG,MACHINE THREAD

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AS4891: PLUG,MACHINE THREAD.

The PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OVERALL, head_height: 0.125 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, thread_length: 0.344 INCHES NOMINAL EXTERNAL IN, overall_length: 1.000 INCHES NOMINAL IN, connection_style: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-258-4772, 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

AS4891

NSN: 5365-01-258-4772
NIINs: 012584772, 013499941
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2014 OVERALL
head_height	0.125 INCHES NOMINAL IN
thread_class	3A EXTERNAL A
thread_length	0.344 INCHES NOMINAL EXTERNAL IN
overall_length	1.000 INCHES NOMINAL IN
connection_style	PLAIN
special_features	COLOR BLUE
style_designator	PLUG, MACHINE W/BLEEDER HOLES
thread_direction	RIGHT-HAND EXTERNAL
features_provided	SAFETY WIRE HOLE
surface_treatment	ANODIZE OVERALL
nominal_thread_size	2.500 INCHES EXTERNAL IN
NSN	5365-01-258-4772

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.250 INCHES NOMINAL IN

•

HEAD TYPE: SOLID

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 1 FED STD SINGLE TREATMENT RESPONSE OVERALL

•

BLEEDER HOLE DIAMETER: 0.062 INCHES NOMINAL IN

•

CONNECTION STYLE: PLAIN

•

BLEEDER HOLE CENTER TO THREADED END DISTANCE: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.300 INCHES NOMINAL EXTERNAL IN

•

STYLE DESIGNATOR: PLUG, MACHINE W/BLEEDER HOLES

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.250 INCHES NOMINAL IN
HEAD TYPE	SOLID
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TY 1 FED STD SINGLE TREATMENT RESPONSE OVERALL
BLEEDER HOLE DIAMETER	0.062 INCHES NOMINAL IN
CONNECTION STYLE	PLAIN
BLEEDER HOLE CENTER TO THREADED END DISTANCE	0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
THREAD LENGTH	0.300 INCHES NOMINAL EXTERNAL IN
STYLE DESIGNATOR	PLUG, MACHINE W/BLEEDER HOLES
OVERALL LENGTH	0.625 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND EXTERNAL

SUBSTITUTES & CROSS-REFERENCES 3

AN814-5JLReference document

Same NSN cross-reference

Reference document — Secondary reference

AS5169J05LReference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS4875Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 AS4891?

AS4891 is a PLUG,MACHINE THREAD.

What parts can replace AS4891?

There are 3 known substitutes for AS4891: AN814-5JL, AS5169J05L, SAE-AS4875. Substitute compatibility should be verified for your specific system.

What is the NSN for AS4891?

AS4891 is cataloged in the U.S. Government catalog under NSN 5365-01-258-4772. This indicates validated use in U.S. government and defense supply chains.

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