211091938 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

211091938: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, fastener_length: 1.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, countersink_angle: 82.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-417-6527, 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

211091938

NSN: 5305-01-417-6527
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
fastener_length	1.750 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	82.0 DEGREES NOMINAL
nominal_thread_diameter	0.500 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNRF
NSN	5305-01-417-6527

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.750 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL

•

THREAD CLASS: 3A A

•

THREAD QUANTITY PER INCH: 20

•

MATERIAL: NICKEL ALLOY 400 OVERALL

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
COUNTERSINK ANGLE	82.0 DEGREES NOMINAL
THREAD CLASS	3A A
THREAD QUANTITY PER INCH	20
MATERIAL	NICKEL ALLOY 400 OVERALL
THREAD SERIES DESIGNATOR	UNRF

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 2

585-6406620-129Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FF-S-86 TY IV NICUReference document

Same NSN cross-reference

Reference document — Identification reference

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 211091938?

211091938 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 211091938?

There are 2 known substitutes for 211091938: 585-6406620-129, FF-S-86 TY IV NICU. Substitute compatibility should be verified for your specific system.

What is the NSN for 211091938?

211091938 is cataloged in the U.S. Government catalog under NSN 5305-01-417-6527. This indicates validated use in U.S. government and defense supply chains.

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211091938 — SCREW,CAP,SOCKET HEAD

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