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1881-353 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1881-353: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303MA OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.200 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.250 INCHES NOMINAL IN, thread_length: 1.009 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-176-5022, 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
1881-353
NSN: 5306-01-176-5022
FSC: 5306 — Bolts
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303MA OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.200 INCHES NOMINAL IN
thread_class3A A
head_diameter1.250 INCHES NOMINAL IN
thread_length1.009 INCHES NOMINAL IN
fastener_length6.220 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats1.000 INCHES NOMINAL IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
NSN5306-01-176-5022
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1881-353 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.200 INCHES NOMINAL IN
•
FASTENER LENGTH: 6.220 INCHES NOMINAL IN
•
THREAD LENGTH: 1.009 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-8844 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
HEAD STYLE: ROUND W/WRENCH FLATS
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.200 INCHES NOMINAL IN
FASTENER LENGTH6.220 INCHES NOMINAL IN
THREAD LENGTH1.009 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8844 CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.000 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH16
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

No substitute or cross-reference records for this part.

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 1881-353?
1881-353 is a BOLT,MACHINE.
What is the NSN for 1881-353?
1881-353 is cataloged in the U.S. Government catalog under NSN 5306-01-176-5022. This indicates validated use in U.S. government and defense supply chains.
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