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Technical Data Sheet
438952-2 ✓ 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: 2A A, mounting_method: UNTHREADED HOLE(S) OR THREADED HOLE(S), style_designator: KNURLED NO. 2, surface_treatment: UNABLE TO DECODE, nominal_thread_size: 0.250 INCHES IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-068-6716, 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
438952-2
NSN: 5340-01-068-6716
FSC: 5340
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
thread_class2A A
mounting_methodUNTHREADED HOLE(S) OR THREADED HOLE(S)
style_designatorKNURLED NO. 2
surface_treatmentUNABLE TO DECODE
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
mounting_facility_diameter0.250 INCHES NOMINAL IN
material_document_and_classificationUNABLE TO DECODE
surface_treatment_document_and_classificationUNABLE TO DECODE
NSN5340-01-068-6716
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 438952-2 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
MOUNTING METHOD: UNTHREADED HOLE(S) OR THREADED HOLE(S)
THREAD CLASS: 2A A
THREAD QUANTITY PER INCH: 28
MATERIAL: UNABLE TO DECODE
STYLE DESIGNATOR: KNURLED NO. 2
NOMINAL THREAD SIZE: 0.250 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODUNTHREADED HOLE(S) OR THREADED HOLE(S)
THREAD CLASS2A A
THREAD QUANTITY PER INCH28
MATERIALUNABLE TO DECODE
STYLE DESIGNATORKNURLED NO. 2
NOMINAL THREAD SIZE0.250 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MOUNTING FACILITY DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENTUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
22544-1Interchangeable
interchangeable cross-reference
interchangeable
22544Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 438952-2?
438952-2 is a BOLT ASSEMBLY,CLAMP.
What parts can replace 438952-2?
There are 2 known substitutes for 438952-2: 22544-1, 22544. Substitute compatibility should be verified for your specific system.
What is the NSN for 438952-2?
438952-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-068-6716. This indicates validated use in U.S. government and defense supply chains.
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