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A33271 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A33271: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1118 OVERALL, head_style: FLAT CHAMFER, head_height: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, thread_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-048-0517, 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
A33271
NSN: 5306-01-048-0517
FSC: 5306 — Bolts
CAGE: 03990 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1118 OVERALL
head_styleFLAT CHAMFER
head_height0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
thread_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.348 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-048-0517
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A33271 · 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: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.348 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
THREAD LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.348 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH24
MATERIALSTEEL COMP 1118 OVERALL
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
33271Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A33271?
A33271 is a BOLT,INTERNAL WRENCHING.
What parts can replace A33271?
There is 1 known substitute for A33271: 33271. Substitute compatibility should be verified for your specific system.
What is the NSN for A33271?
A33271 is cataloged in the U.S. Government catalog under NSN 5306-01-048-0517. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.