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A6BMS0312G — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A6BMS0312G: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_length: 0.302 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-211-9156, 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
A6BMS0312G
NSN: 5305-00-211-9156
FSC: 5305 — Screws
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_length0.302 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.099 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch48
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-211-9156
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A6BMS0312G · 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: 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.302 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.302 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
THREAD CLASS2A A
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 1
3-48UNC2A3-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A6BMS0312G?
A6BMS0312G is a SCREW,MACHINE.
What parts can replace A6BMS0312G?
There is 1 known substitute for A6BMS0312G: 3-48UNC2A3-8. Substitute compatibility should be verified for your specific system.
What is the NSN for A6BMS0312G?
A6BMS0312G is cataloged in the U.S. Government catalog under NSN 5305-00-211-9156. 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.