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181244 — DISK,VALVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

181244: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 1.280 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, style_designator: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-421-9900, 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
181244
NSN: 5305-00-421-9900
NIINs: 004219900, 009298223
FSC: 5305 — Screws
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_angle45.0 DEGREES NOMINAL
thread_class2B
overall_height1.280 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size0.563 INCHES IN
thread_series_designatorUNF
NSN5305-00-421-9900
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 181244 · 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: 0.094 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.406 INCHES NOMINAL IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.275 INCHES NOMINAL IN
•
THREAD LENGTH: 0.406 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: HEXAGON
•
PRIMARY WASHER STYLE: FLAT INTERNAL TEETH
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.094 INCHES NOMINAL IN
FASTENER LENGTH0.406 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER0.275 INCHES NOMINAL IN
THREAD LENGTH0.406 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLEFLAT INTERNAL TEETH
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.031 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL IN
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 181244?
181244 is a DISK,VALVE.
What is the NSN for 181244?
181244 is cataloged in the U.S. Government catalog under NSN 5305-00-421-9900. 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.