S31B481CSI — NUT,PLAIN,BLIND RIVET

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

S31B481CSI: NUT,PLAIN,BLIND RIVET.

The NUT,PLAIN,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT COUNTERSUNK, nut_length: 1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN, nut_diameter: 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-419-8431, 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

S31B481CSI

NSN: 5310-01-419-8431
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

material	STEEL COMP 430 OVERALL
nut_style	BLIND RIVET W/SMOOTH ROUND SHANK
head_style	FLAT COUNTERSUNK
nut_length	1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN
nut_diameter	0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
thread_class	3B
head_diameter	0.656 INCHES NOMINAL IN
thread_series	UNIFIED NATIONAL COARSE (UNC)
shank_end_type	OPEN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE AND CHROMATE OVERALL
nominal_thread_size	0.312 INCHES IN
NSN	5310-01-419-8431

COMPONENT DIAGRAM

KEY FEATURES

•

NUT LENGTH: 1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

HEAD COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

•

SHANK END TYPE: OPEN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

TECHNICAL CHARACTERISTICS

NUT LENGTH	1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
HEAD COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
SHANK END TYPE	OPEN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
NUT DIAMETER	0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE AND CHROMATE OVERALL

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 2

1339AS337-65Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

CB03118S481VReference document

Same NSN cross-reference

Reference document — Secondary 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 S31B481CSI?

S31B481CSI is a NUT,PLAIN,BLIND RIVET.

What parts can replace S31B481CSI?

There are 2 known substitutes for S31B481CSI: 1339AS337-65, CB03118S481V. Substitute compatibility should be verified for your specific system.

What is the NSN for S31B481CSI?

S31B481CSI is cataloged in the U.S. Government catalog under NSN 5310-01-419-8431. This indicates validated use in U.S. government and defense supply chains.

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