1227-D-1356 — NUT,PLAIN,OCTAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

1227-D-1356: NUT,PLAIN,OCTAGON.

The NUT,PLAIN,OCTAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 NUT, nut_style: PLAIN, OCTAGON, nut_height: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UN, special_features: UNIQUE STYLE;HAS DIMPLE .312 WIDE AND .495 DEEP. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-271-2467, 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

1227-D-1356

NSN: 5310-01-271-2467
FSC: 5310 — Nuts and Washers
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 NUT
nut_style	PLAIN, OCTAGON
nut_height	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_class	2B
thread_series	UN
special_features	UNIQUE STYLE;HAS DIMPLE .312 WIDE AND .495 DEEP
thread_direction	RIGHT-HAND
width_across_flats	4.880 INCHES NOMINAL IN
nominal_thread_size	3.250 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	12
material_document_and_classification	SAE1015 ASSN STD 1ST MATERIAL RESPONSE OR SAE1018 ASSN STD 2ND MATERIAL RESPONSE OR SAE1020 ASSN STD 3RD MATERIAL RESPONSE NUT
NSN	5310-01-271-2467

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 4.880 INCHES NOMINAL IN

•

THREAD SERIES: UN

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE1015 ASSN STD 1ST MATERIAL RESPONSE OR SAE1018 ASSN STD 2ND MATERIAL RESPONSE OR SAE1020 ASSN STD 3RD MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 3.250 INCHES IN

•

NUT HEIGHT: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN

•

NUT STYLE: PLAIN, OCTAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	4.880 INCHES NOMINAL IN
THREAD SERIES	UN
MATERIAL DOCUMENT AND CLASSIFICATION	SAE1015 ASSN STD 1ST MATERIAL RESPONSE OR SAE1018 ASSN STD 2ND MATERIAL RESPONSE OR SAE1020 ASSN STD 3RD MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	3.250 INCHES IN
NUT HEIGHT	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
SPECIAL FEATURES	UNIQUE STYLE;HAS DIMPLE .312 WIDE AND .495 DEEP
NUT STYLE	PLAIN, OCTAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	12

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

1227-D-1356-SReference 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 1227-D-1356?

1227-D-1356 is a NUT,PLAIN,OCTAGON.

What parts can replace 1227-D-1356?

There is 1 known substitute for 1227-D-1356: 1227-D-1356-S. Substitute compatibility should be verified for your specific system.

What is the NSN for 1227-D-1356?

1227-D-1356 is cataloged in the U.S. Government catalog under NSN 5310-01-271-2467. This indicates validated use in U.S. government and defense supply chains.

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1227-D-1356 — NUT,PLAIN,OCTAGON

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