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140A807-1 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

140A807-1: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.125 INCHES NOMINAL IN, thread_length: 0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-361-3548, 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
140A807-1
NSN: 5305-01-361-3548
FSC: 5305 — Screws
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.125 INCHES NOMINAL IN
thread_length0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.281 INCHES NOMINAL IN
shoulder_length0.160 INCHES MINIMUM AND 0.162 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-01-361-3548
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 140A807-1 · 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: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.281 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.160 INCHES MINIMUM AND 0.162 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.281 INCHES NOMINAL IN
SHOULDER LENGTH0.160 INCHES MINIMUM AND 0.162 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 140A807-1?
140A807-1 is a SCREW,SHOULDER.
What is the NSN for 140A807-1?
140A807-1 is cataloged in the U.S. Government catalog under NSN 5305-01-361-3548. 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.