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12271183 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12271183: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, thread_length: 0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.030 INCHES NOMINAL IN, shoulder_length: 0.175 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-100-0450, 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
12271183
NSN: 5307-01-100-0450
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
thread_length0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN
overall_length2.030 INCHES NOMINAL IN
shoulder_length0.175 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.250 INCHES NUT THREAD IN
nut_end_shank_length0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
distance_across_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
stud_end_shank_length0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
nut_end_shank_diameter0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
NSN5307-01-100-0450
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12271183 · 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
•
NUT END SHANK DIAMETER: 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
•
STUD END SHANK DIAMETER: 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
•
NUT END SHANK LENGTH: 0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
THREAD LENGTH0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSHOULDERED
OVERALL LENGTH2.030 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
STUD END SHANK DIAMETER0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
NUT END SHANK LENGTH0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
STUD END SHANK LENGTH0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 12271183?
12271183 is a STUD,SHOULDERED.
What is the NSN for 12271183?
12271183 is cataloged in the U.S. Government catalog under NSN 5307-01-100-0450. 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.