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12271888 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12271888: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: PAN NO. 2, head_height: 0.110 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A, head_diameter: 0.440 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-078-7673, 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
12271888
NSN: 5305-01-078-7673
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_stylePAN NO. 2
head_height0.110 INCHES NOMINAL IN
point_styleFLAT
thread_class2A A
head_diameter0.440 INCHES NOMINAL IN
thread_length0.095 INCHES NOMINAL IN
fastener_length0.535 INCHES NOMINAL IN
hardness_rating37.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
NSN5305-01-078-7673
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12271888 · 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: 0.110 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.535 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.095 INCHES NOMINAL IN
•
HARDNESS RATING: 37.0 ROCKWELL C MINIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 TY 17-4-PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: PAN NO. 2
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.110 INCHES NOMINAL IN
FASTENER LENGTH0.535 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.095 INCHES NOMINAL IN
HARDNESS RATING37.0 ROCKWELL C MINIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 TY 17-4-PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 12271888?
12271888 is a SETSCREW.
What is the NSN for 12271888?
12271888 is cataloged in the U.S. Government catalog under NSN 5305-01-078-7673. This indicates validated use in U.S. government and defense supply chains.
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