PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16293-01BValve,safety Relief

Griswold Industries Dba Cla-Val Co · NSN 4820-01-307-8768 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-307-8768 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-307-8768. Primary manufacturer part number: 16293-01B.
Features
  • Valve,safety Relief — FSC 4820
  • Material: STEEL COMP 303 BODY
  • Valve Operation Method: AUTOMATIC
  • Material: STEEL COMP 303 SEAT
  • Connection Style: GASKET SEAL(BOSS) ALL ENDS
  • Connection Type: THREADED INTERNAL BOSS ALL ENDS
  • Thread Class: 2B ALL ENDS
  • Flow Control Device: STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-307-8768, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-307-8768
Primary Part Number16293-01B
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialSTEEL COMP 303 BODY
Valve Operation MethodAUTOMATIC
MaterialSTEEL COMP 303 SEAT
Connection StyleGASKET SEAL(BOSS) ALL ENDS
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Thread Class2B ALL ENDS
Flow Control DeviceSTEM
Thread DirectionRIGHT-HAND ALL ENDS
MaterialSTEEL COMP 303 STEM
Nominal Thread Size0.750 INCHES ALL ENDS IN
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-189-9156717-005169 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Doall Baltimore Company
5935-00-199-0249 INTERCHANGEABLE
Connector,plug,electrical
2520-00-392-35801K3626 INTERCHANGEABLE
Plate,floating
Caterpillar Inc Div Caterpillar Defense
6210-00-533-4933 INTERCHANGEABLE
Light,panel
5305-01-276-977016293 INTERCHANGEABLE
Screw,machine
Chicago Steel Tape Co Inc Berger Instruments Co Inc
5330-01-295-100216293 INTERCHANGEABLE
Seal,plain Encased
Westerbeke Corporation
3110-01-359-88585938654 INTERCHANGEABLE
Roller Set,bearing
Am General Llc
5340-01-505-21001629-3 INTERCHANGEABLE
Standoff,threaded,spacing
Keystone Electronics Corp
6515-01-590-486702.207.090 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16293-01B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
16293 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
3455-00-189-9156INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
717-005169
5935-00-199-0249INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2520-00-392-3580INTERCHANGEABLE
PLATE,FLOATING
1K3626
6210-00-533-4933INTERCHANGEABLE
LIGHT,PANEL
5305-01-276-9770INTERCHANGEABLE
SCREW,MACHINE
16293
5330-01-295-1002INTERCHANGEABLE
SEAL,PLAIN ENCASED
16293
3110-01-359-8858INTERCHANGEABLE
ROLLER SET,BEARING
5938654
5340-01-505-2100INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1629-3
6515-01-590-4867INTERCHANGEABLE
SCREW,BONE
02.207.090

Frequently Asked Questions

What is NSN 4820-01-307-8768?

NSN 4820-01-307-8768 is a Valve,safety Relief, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-307-8768?

NSN 4820-01-307-8768 has 2 cross-referenced part numbers: 16293-01B (Griswold Industries Dba Cla-Val Co), 16293 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-307-8768?

There are 9 known substitutes for 4820-01-307-8768: 3455-00-189-9156, 5935-00-199-0249, 2520-00-392-3580 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16293-01B?

Key specifications for 16293-01B: Material: STEEL COMP 303 BODY; Valve Operation Method: AUTOMATIC; Material: STEEL COMP 303 SEAT; Connection Style: GASKET SEAL(BOSS) ALL ENDS. 12 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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