PartsTable
Technical Data Sheet
PartsTable / MRO / SP-4
SP-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The INTERCOMMUNICATION STATION is a the manufacturer industrial component. Key specifications include width: 1.500 INCHES NOMINAL IN, length: 3.250 INCHES NOMINAL IN, material: PAPER, body_style: BUSHING MOUNT, body_width: 0.310 INCHES MAXIMUM IN, drive_type: SERRATED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-073-3360, 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
MRO→ MRO_GENERAL→ SP-4
NSN: 5340-00-073-3360
FSC: 5340
CAGE: 04971 — RANTEC MICROWAVE SYSTEMS, INC. DBA RANTEC MICROWAVE SYSTEMS INC (USA)
SPECIFICATIONS
width1.500 INCHES NOMINAL IN
length3.250 INCHES NOMINAL IN
materialPAPER
body_styleBUSHING MOUNT
body_width0.310 INCHES MAXIMUM IN
drive_typeSERRATED
roll_width1.500 INCHES NOMINAL IN
body_height0.475 INCHES MAXIMUM IN
body_length0.410 INCHES MAXIMUM IN
design_typeTHREADED
inscription1ST SIDE 1ST INSCRIPTION: PATHOLOGY SPECIMEN; 2ND: NAME---; 3RD: DATE---, SEX---, AGE---; 4TH: ROOM---; 5TH: DOCTOR---
roll_length41.7 FEET NOMINAL FT
NSN5340-00-073-3360
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SP-4 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
M5501/1-4Upgraded Successor
successor cross-reference
successor
10117358Upgraded Successor
successor cross-reference
successor
5-4Upgraded Successor
successor cross-reference
successor
SP4Interchangeable
interchangeable cross-reference
interchangeable
7432Interchangeable
interchangeable cross-reference
interchangeable
5105-2900Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SP-4?
SP-4 is a INTERCOMMUNICATION STATION. It is classified as a MRO (MRO_GENERAL).
What parts can replace SP-4?
There are 13 known substitutes for SP-4: M5501/1-4, 10117358, 5-4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SP-4?
SP-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-073-3360. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026