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Technical Data Sheet
PartsTable / COMPONENT / 770204
770204 ✓ Verified by PartsTable
Legrand · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

FUZE,MECHANICAL TIME AND SUPERQU. Key specifications include booster: NOT INCLUDED, fuze_wrench: NOT INCLUDED, gross_weight: 44.4 SHIPPING CONTAINER POUNDS AND 1707.0 PALLET, US ARMY POUNDS, unable_to_decode: UNABLE TO DECODE, fuze_model_number: M577A1, unit_package_type: BOX, METAL AND BOX, WOOD, WIRE-BOUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-016-8897, 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
770204
NSN: 4730-01-016-8897
FSC: 4730
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
boosterNOT INCLUDED
fuze_wrenchNOT INCLUDED
gross_weight44.4 SHIPPING CONTAINER POUNDS AND 1707.0 PALLET, US ARMY POUNDS
unable_to_decodeUNABLE TO DECODE
fuze_model_numberM577A1
unit_package_typeBOX, METAL AND BOX, WOOD, WIRE-BOUND
dod_ammunition_code1390-N285
net_explosive_weight0.00094 STORAGE POUNDS AND 0.00094 TRANSPORTATION POUNDS
dot_registration_codeEX1985060053A
unit_package_quantity8 AND 16
supplementary_featuresPKD IN M2A1 METAL BOX. LBS EXPLOSIVE PER PKG .025
action_time_designationSELECTIVE DELAY
NSN4730-01-016-8897
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 770204 · Legrand ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10122047Interchangeable
interchangeable cross-reference
interchangeable
ST3M441-4MInterchangeable
interchangeable cross-reference
interchangeable
SLN170-4Interchangeable
interchangeable cross-reference
interchangeable
770204Interchangeable
interchangeable cross-reference
interchangeable
1390-N285Interchangeable
interchangeable cross-reference
interchangeable
9352381-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 770204?
770204 is a FUZE,MECHANICAL TIME AND SUPERQU manufactured by Legrand.
What parts can replace 770204?
There are 6 known substitutes for 770204: 10122047, ST3M441-4M, SLN170-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 770204?
770204 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-016-8897. 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