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501911-2 — BOLT,MACHINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

501911-2: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1021 OR STEEL COMP 1022 OVERALL, head_style: HEXAGON, grip_length: 0.156 INCHES NOMINAL IN, head_height: 0.234 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.406 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-489-3545, 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
501911-2
NSN: 5340-00-489-3545
NIINs: 004893545, 005019112
FSC: 5340 — Hardware, Commercial
CAGE: 31550 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1021 OR STEEL COMP 1022 OVERALL
head_styleHEXAGON
grip_length0.156 INCHES NOMINAL IN
head_height0.234 INCHES NOMINAL IN
thread_class2A A
thread_length0.406 INCHES MINIMUM IN
fastener_length0.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPHOSPHATE OVERALL
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
NSN5340-00-489-3545
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 501911-2 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: PIN
•
STOCK DIAMETER: 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
WIDTH: 0.343 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.020 INCHES NOMINAL IN
STYLE DESIGNATORPIN
STOCK DIAMETER0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
WIDTH0.343 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON
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 501911-2?
501911-2 is a BOLT,MACHINE.
What is the NSN for 501911-2?
501911-2 is cataloged in the U.S. Government catalog under NSN 5340-00-489-3545. 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.