PartsTable
Technical Data Sheet
26M77-100 ITEM 70 ✓ 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 PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, material_document_and_classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-199-8083, 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
26M77-100 ITEM 70
NSN: 5340-01-199-8083
FSC: 5340
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
length3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
material_document_and_classificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-199-8083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26M77-100 ITEM 70 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
MATERIAL: COPPER ALLOY 820 OR COPPER ALLOY 824 OR COPPER ALLOY 825 OR COPPER ALLOY 826 OR COPPER ALLOY 827 OR COPPER ALLOY 828 OR COPPER ALLOY 836 OR COPPER ALLOY 838 OR COPPER ALLOY 842 OR COPPER ALLOY 844 OR COPPER ALLOY 848 OR COPPER ALLOY 852 OR COPPER ALLOY 854 OR COPPER ALLOY 855 OR COPPER ALLOY 857 OR COPPER ALLOY 861 OR COPPER ALLOY 862 OR COPPER ALLOY 863 OR COPPER ALLOY 864 OR COPPER ALLOY 865 OR COPPER ALLOY 868 OR COPPER ALLOY 872 OR COPPER ALLOY 874 OR COPPER ALLOY 903 OR COPPER ALLOY 905 OR COPPER ALLOY 907 OR COPPER ALLOY 910 OR COPPER ALLOY 913 OR COPPER ALLOY 915-CANCELED OR COPPER ALLOY 916 OR COPPER ALLOY 922 OR COPPER ALLOY 923 OR COPPER ALLOY 925 OR COPPER ALLOY 927 OR COPPER ALLOY 932 OR COPPER ALLOY 934 OR COPPER ALLOY 935 OR COPPER ALLOY 937 OR COPPER ALLOY 938 OR COPPER ALLOY 939 OR COPPER ALLOY 940 OR COPPER ALLOY 941 OR COPPER ALLOY 943 OR COPPER ALLOY 947 OR COPPER ALLOY 948 OR COPPER ALLOY 952 OR COPPER ALLOY 953 OR COPPER ALLOY 954 OR COPPER ALLOY 955 OR COPPER ALLOY 957 OR COPPER ALLOY 958 OR COPPER ALLOY 962 OR COPPER ALLOY 964 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
LENGTH: 3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 820 OR COPPER ALLOY 824 OR COPPER ALLOY 825 OR COPPER ALLOY 826 OR COPPER ALLOY 827 OR COPPER ALLOY 828 OR COPPER ALLOY 836 OR COPPER ALLOY 838 OR COPPER ALLOY 842 OR COPPER ALLOY 844 OR COPPER ALLOY 848 OR COPPER ALLOY 852 OR COPPER ALLOY 854 OR COPPER ALLOY 855 OR COPPER ALLOY 857 OR COPPER ALLOY 861 OR COPPER ALLOY 862 OR COPPER ALLOY 863 OR COPPER ALLOY 864 OR COPPER ALLOY 865 OR COPPER ALLOY 868 OR COPPER ALLOY 872 OR COPPER ALLOY 874 OR COPPER ALLOY 903 OR COPPER ALLOY 905 OR COPPER ALLOY 907 OR COPPER ALLOY 910 OR COPPER ALLOY 913 OR COPPER ALLOY 915-CANCELED OR COPPER ALLOY 916 OR COPPER ALLOY 922 OR COPPER ALLOY 923 OR COPPER ALLOY 925 OR COPPER ALLOY 927 OR COPPER ALLOY 932 OR COPPER ALLOY 934 OR COPPER ALLOY 935 OR COPPER ALLOY 937 OR COPPER ALLOY 938 OR COPPER ALLOY 939 OR COPPER ALLOY 940 OR COPPER ALLOY 941 OR COPPER ALLOY 943 OR COPPER ALLOY 947 OR COPPER ALLOY 948 OR COPPER ALLOY 952 OR COPPER ALLOY 953 OR COPPER ALLOY 954 OR COPPER ALLOY 955 OR COPPER ALLOY 957 OR COPPER ALLOY 958 OR COPPER ALLOY 962 OR COPPER ALLOY 964 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE
LENGTH3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2620-920X12ASSY11APC4Interchangeable
interchangeable cross-reference
interchangeable
845-2181282-3INInterchangeable
interchangeable cross-reference
interchangeable
845-2445066 ITEM 19Interchangeable
interchangeable cross-reference
interchangeable
26M77-100-PC21Interchangeable
interchangeable cross-reference
interchangeable
845-2445066Interchangeable
interchangeable cross-reference
interchangeable
26M77-100 ITEM 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26M77-100 ITEM 70?
26M77-100 ITEM 70 is a PLUNGER,DETENT.
What parts can replace 26M77-100 ITEM 70?
There are 20 known substitutes for 26M77-100 ITEM 70: 2620-920X12ASSY11APC4, 845-2181282-3IN, 845-2445066 ITEM 19 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26M77-100 ITEM 70?
26M77-100 ITEM 70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-199-8083. This indicates validated use in U.S. government and defense supply chains.
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