A31B556 — NUT,PLAIN,BLIND RIVET

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

A31B556: NUT,PLAIN,BLIND RIVET.

The NUT,PLAIN,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6053 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT COUNTERSUNK, nut_length: 1.610 INCHES MINIMUM AND 1.640 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 5310-00-412-2509, 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

A31B556

NSN: 5310-00-412-2509
FSC: 5310 — Nuts and Washers
CAGE: 03481 — BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6053 OVERALL
nut_style	BLIND RIVET W/SMOOTH ROUND SHANK
head_style	FLAT COUNTERSUNK
nut_length	1.610 INCHES MINIMUM AND 1.640 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	CLOSED
thread_direction	RIGHT-HAND
surface_treatment	ANODIZE OVERALL
nominal_thread_size	0.312 INCHES IN
NSN	5310-00-412-2509

COMPONENT DIAGRAM

KEY FEATURES

•

NUT LENGTH: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

HEAD COUNTERSINK ANGLE: 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-1150 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SHANK END TYPE: CLOSED

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

NUT LENGTH	1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
HEAD COUNTERSINK ANGLE	99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-R-1150 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SHANK END TYPE	CLOSED
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

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 1

334-2716-750Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A31B556?

A31B556 is a NUT,PLAIN,BLIND RIVET.

What parts can replace A31B556?

There is 1 known substitute for A31B556: 334-2716-750. Substitute compatibility should be verified for your specific system.

What is the NSN for A31B556?

A31B556 is cataloged in the U.S. Government catalog under NSN 5310-00-412-2509. This indicates validated use in U.S. government and defense supply chains.

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A31B556 — NUT,PLAIN,BLIND RIVET

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