PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TED 77-30-008-04Disk,rupturable

Bs&b Safety Systems Llc · NSN 4820-01-257-7256 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-257-7256 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-257-7256. Primary manufacturer part number: TED 77-30-008-04.
Features
  • Disk,rupturable — FSC 4820
  • Cross-Sectional Shape: CONCAVE
  • 3 verified cross-references
  • Primary manufacturer: Bs&b Safety Systems Llc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Disk,rupturable, cataloged under National Stock Number 4820-01-257-7256, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bs&b Safety Systems Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-257-7256
Primary Part NumberTED 77-30-008-04
Item NameDisk,rupturable
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBs&b Safety Systems Llc
StatusACTIVE
Cross-Sectional ShapeCONCAVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5965-00-280-380410C10PA INTERCHANGEABLE
Loudspeaker,permanent Magnet
Quam Nichols Co
5342-00-545-5910P10-S INTERCHANGEABLE
Clamp,wraplock
Punch-Lok Co Div Pt Punch-Lok
Cross-Reference Index
Part NumberManufacturer
P10S Dorman Products, Inc. Dba Dorman (USA)
TED 77-30-008-04 PRIMARY Bs&b Safety Systems Llc (USA)
LOT 85070294-1 Bs&b Safety Systems Llc (USA)
Related Parts
5965-00-280-3804INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
10C10PA
5342-00-545-5910INTERCHANGEABLE
CLAMP,WRAPLOCK
P10-S

Frequently Asked Questions

What is NSN 4820-01-257-7256?

NSN 4820-01-257-7256 is a Disk,rupturable, manufactured by Bs&b Safety Systems Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-257-7256?

NSN 4820-01-257-7256 has 3 cross-referenced part numbers: P10S (Dorman Products, Inc. Dba Dorman), TED 77-30-008-04 (Bs&b Safety Systems Llc), LOT 85070294-1 (Bs&b Safety Systems Llc).

What NSN replaces 4820-01-257-7256?

There are 2 known substitutes for 4820-01-257-7256: 5965-00-280-3804, 5342-00-545-5910. Verify interchangeability with system specifications before substitution.

What are the specifications of TED 77-30-008-04?

Key specifications for TED 77-30-008-04: End Item Identification: LGM-30 MINUTEMAN MISSILE; Special Features: USED ON HYDRAULIC PUSHER 1450-00-302-2758;T.O.21M-LGM30F-4-4 F107;USED IN THE HYDRAULIC RAM FOR OPENING THE MAINTENANCE DOOR OF THE LAUNCH FACILITY; Cross-Sectional Shape: CONCAVE. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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