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Technical Data Sheet
PartsTable / COMPONENT / 1977-4
1977-4 ✓ Verified by PartsTable
Jumbo · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL COMP 303, special_features: CABLE LENGTH: 15 INCHES IN, end_item_identification: MOORE PRODUCTS INC,LIQUID INDICATOR, material_document_and_classification: AMS 5640, TYPE 30303 ASSN STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: FLIR,TFU,P1077,P761 C/A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-073-0804, 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
1977-4
NSN: 5340-00-073-0804
FSC: 5340
CAGE: 10237 — CADILLAC GAGE TEXTRON INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303
special_featuresCABLE LENGTH: 15 INCHES IN
end_item_identificationMOORE PRODUCTS INC,LIQUID INDICATOR
material_document_and_classificationAMS 5640, TYPE 30303 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyFLIR,TFU,P1077,P761 C/A
NSN5340-00-073-0804
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1977-4 MFR: Jumbo ⚠ 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5640, TYPE 30303 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 303
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640, TYPE 30303 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 303
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
1977-4Interchangeable
interchangeable cross-reference
interchangeable
1977Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1977-4?
1977-4 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E manufactured by Jumbo.
What parts can replace 1977-4?
There are 2 known substitutes for 1977-4: 1977-4, 1977. Substitute compatibility should be verified for your specific system.
What is the NSN for 1977-4?
1977-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-073-0804. 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