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Technical Data Sheet
490001-5 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BOLT ASSEMBLY,CLAMP is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, thread_class: 3A A, thread_length: 1.000 INCHES NOMINAL IN, mounting_method: PIN(S), style_designator: KNURLED NO. 2, thread_direction: RIGHT-HAND.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-298-4918, 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
490001-5
NSN: 5340-01-298-4918
FSC: 5340
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
thread_class3A A
thread_length1.000 INCHES NOMINAL IN
mounting_methodPIN(S)
style_designatorKNURLED NO. 2
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5340-01-298-4918
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 490001-5 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
THREAD CLASS: 3A A
THREAD DIRECTION: RIGHT-HAND
THREAD SERIES DESIGNATOR: UNF
MATERIAL: UNABLE TO DECODE
MOUNTING METHOD: PIN(S)
THREAD LENGTH: 1.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
MATERIALUNABLE TO DECODE
MOUNTING METHODPIN(S)
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
STYLE DESIGNATORKNURLED NO. 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-F-85731/1Upgraded Successor
successor cross-reference
successor
M85731/1-12Upgraded Successor
successor cross-reference
successor
180849-28Interchangeable
interchangeable cross-reference
interchangeable
902005Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-85731Interchangeable
interchangeable cross-reference
interchangeable
MS14108-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 490001-5?
490001-5 is a BOLT ASSEMBLY,CLAMP.
What parts can replace 490001-5?
There are 22 known substitutes for 490001-5: MIL-F-85731/1, M85731/1-12, 180849-28 and 19 more. Substitute compatibility should be verified for your specific system.
Is 490001-5 still available?
490001-5 is currently cancelled.
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