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ALSA-518-312 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ALSA-518-312: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN, material: STEEL COMP 1008 AND STEEL COMP 1010 OVERALL, insert_size: 0.530 INCH DIAMETER IN, thread_class: 2B, flange_diameter: 0.685 INCHES NOMINAL IN, flange_thickness: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-505-3122, 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
ALSA-518-312
NSN: 5325-01-505-3122
FSC: 5325 — Fastening Devices
CAGE: 78276 — AVK INDUSTRIES PRODUCTS INC (USA)
SPECIFICATIONS
length0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN
materialSTEEL COMP 1008 AND STEEL COMP 1010 OVERALL
insert_size0.530 INCH DIAMETER IN
thread_class2B
flange_diameter0.685 INCHES NOMINAL IN
flange_thickness0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
special_featuresGRIP RANGE:0.150-0.312; REC.HOLE SIZE:0.531-0.537
surface_treatmentZINC OVERALL
nominal_thread_size0.312 INCHES IN
end_item_identificationTRUCK,VEHICLE SYSTEM, 1 1/4 TON(HMMWV);2310-01-372-3934
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5325-01-505-3122
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ALSA-518-312 · 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
•
FLANGE DIAMETER: 0.685 INCHES NOMINAL IN
•
LENGTH: 0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633, TYPE II, CLASS FE/ZN 5 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
FLANGE THICKNESS: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
•
INSERT SIZE: 0.530 INCH DIAMETER IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.685 INCHES NOMINAL IN
LENGTH0.822 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633, TYPE II, CLASS FE/ZN 5 ASSN STD ALL TREATMENT RESPONSES OVERALL
FLANGE THICKNESS0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
INSERT SIZE0.530 INCH DIAMETER IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD SIZE0.312 INCHES IN
SPECIAL FEATURESGRIP RANGE:0.150-0.312; REC.HOLE SIZE:0.531-0.537
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 1
12446871-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ALSA-518-312?
ALSA-518-312 is a INSERT,SCREW THREAD.
What parts can replace ALSA-518-312?
There is 1 known substitute for ALSA-518-312: 12446871-11. Substitute compatibility should be verified for your specific system.
What is the NSN for ALSA-518-312?
ALSA-518-312 is cataloged in the U.S. Government catalog under NSN 5325-01-505-3122. This indicates validated use in U.S. government and defense supply chains.
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