1881B293 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1881B293: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.310 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.625 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-179-9453, 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

1881B293

NSN: 5306-01-179-9453
FSC: 5306 — Bolts
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	DOUBLE HEXAGON EXTENDED WASHER
head_height	0.310 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.625 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	7.640 INCHES NOMINAL IN
shoulder_length	6.890 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	1.380 INCHES NOMINAL FIRST SHOULDER IN
width_between_flats	1.935 INCHES MINIMUM AND 1.940 INCHES MAXIMUM IN
end_item_identification	B-1B
NSN	5306-01-179-9453

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.030 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.310 INCHES NOMINAL IN

•

FASTENER LENGTH: 7.640 INCHES NOMINAL IN

•

SHOULDER LENGTH: 6.890 INCHES NOMINAL FIRST SHOULDER IN

•

EXTENDED WASHER DIAMETER: 1.990 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN

•

SHOULDER DIAMETER: 1.380 INCHES NOMINAL FIRST SHOULDER IN

•

THREAD LENGTH: 0.625 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.030 INCHES NOMINAL IN
HEAD HEIGHT	0.310 INCHES NOMINAL IN
FASTENER LENGTH	7.640 INCHES NOMINAL IN
SHOULDER LENGTH	6.890 INCHES NOMINAL FIRST SHOULDER IN
EXTENDED WASHER DIAMETER	1.990 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SHOULDER DIAMETER	1.380 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH	0.625 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	1.3750 INCHES IN

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 1

1881-293Reference document

Same NSN cross-reference

Reference document — Secondary 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 1881B293?

1881B293 is a BOLT,SHOULDER.

What parts can replace 1881B293?

There is 1 known substitute for 1881B293: 1881-293. Substitute compatibility should be verified for your specific system.

What is the NSN for 1881B293?

1881B293 is cataloged in the U.S. Government catalog under NSN 5306-01-179-9453. This indicates validated use in U.S. government and defense supply chains.

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