PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20007Q41MValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-217-9827 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-217-9827 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-217-9827. Primary manufacturer part number: 20007Q41M.
Features
  • Valve,safety Relief — FSC 4820
  • Nominal Thickness: 0.562 INCHES ALL ENDS IN
  • First Connection Face to Centerline Distance: 6.500 INCHES IN
  • Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Bolt Hole Nominal Diameter: 0.688 INCHES ALL ENDS IN
  • Bolt Hole Quantity: 10 ALL ENDS
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Flange Shape: ROUND WITH HOLES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-217-9827, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-217-9827
Primary Part Number20007Q41M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Nominal Thickness0.562 INCHES ALL ENDS IN
First Connection Face to Centerline Distance6.500 INCHES IN
Material Document and ClassificationQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM
Bolt Hole Nominal Diameter0.688 INCHES ALL ENDS IN
Bolt Hole Quantity10 ALL ENDS
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Flange ShapeROUND WITH HOLES ALL ENDS
Bonnet Attachment MethodBOLTED
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Flange Face DesignPLAIN ALL ENDS
MaterialCOPPER ALLOY SEAT
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY BODY
Connection TypeFLANGE ALL ENDS
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Valve Operation MethodAUTOMATIC
Valve Size5.000 INCHES IN
Adjustable Pressure Range+51.0 TO 57.0 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Bonnet TypeINSIDE SPRING
Nominal Outside Diameter9.062 INCHES ALL ENDS IN
Disk Loading MethodSPRING
Bolt Circle Nominal Diameter7.812 INCHES ALL ENDS IN
MaterialCOPPER ALLOY STEM
Flow Control DeviceDISK
Style DesignatorANGLE FLANGED ENDS
Second Connection Face to Centerline Distance6.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-076-89759074558-3 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
5310-00-148-1725SCD10571-20007 INTERCHANGEABLE
Nut,special
Celtech Corporation Div Use CAGE 65552 for All Orders
5330-00-270-7752T540-0025-025-Q034 INTERCHANGEABLE
Gasket
John Crane, Inc
5360-00-382-8168 INTERCHANGEABLE
Spring,helical,torsion
5330-00-523-54922000-7 INTERCHANGEABLE
Gasket
Grasso Inc
3120-00-555-64122210370P3-008 INTERCHANGEABLE
Bushing,sleeve
The Boeing Company
5330-00-585-55892000-7 INTERCHANGEABLE
Retainer,packing
Woodward Hrt Inc
5940-00-983-6048 INTERCHANGEABLE
Terminal Board
7050-01-070-914720007 INTERCHANGEABLE
Decoder,computer
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6515-01-237-846896-0581 INTERCHANGEABLE
Screw,bone
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
BAMGG05MNN Danco Valve Company (USA)
20007Q41M 5IN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20007Q41M PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20007 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
BAMGG05MNN Dante Valve Company (USA)
Related Parts
5310-00-076-8975INTERCHANGEABLE
WASHER,LOCK
9074558-3
5310-00-148-1725INTERCHANGEABLE
NUT,SPECIAL
SCD10571-20007
5330-00-270-7752INTERCHANGEABLE
GASKET
T540-0025-025-Q034
5360-00-382-8168INTERCHANGEABLE
SPRING,HELICAL,TORSION
5330-00-523-5492INTERCHANGEABLE
GASKET
2000-7
3120-00-555-6412INTERCHANGEABLE
BUSHING,SLEEVE
2210370P3-008
5330-00-585-5589INTERCHANGEABLE
RETAINER,PACKING
2000-7
5940-00-983-6048INTERCHANGEABLE
TERMINAL BOARD
7050-01-070-9147INTERCHANGEABLE
DECODER,COMPUTER
20007
6515-01-237-8468INTERCHANGEABLE
SCREW,BONE
96-0581
6740-01-256-6999INTERCHANGEABLE
DRUM,FILM PROCESSING
4920-01-299-5140INTERCHANGEABLE
TEST PROGRAM SET
20007

Frequently Asked Questions

What is NSN 4820-01-217-9827?

NSN 4820-01-217-9827 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-217-9827?

NSN 4820-01-217-9827 has 5 cross-referenced part numbers: BAMGG05MNN (Danco Valve Company), 20007Q41M 5IN (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20007Q41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20007 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), BAMGG05MNN (Dante Valve Company).

What NSN replaces 4820-01-217-9827?

There are 12 known substitutes for 4820-01-217-9827: 5310-00-076-8975, 5310-00-148-1725, 5330-00-270-7752 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20007Q41M?

Key specifications for 20007Q41M: Nominal Thickness: 0.562 INCHES ALL ENDS IN; First Connection Face to Centerline Distance: 6.500 INCHES IN; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE STEM; Bolt Hole Nominal Diameter: 0.688 INCHES ALL ENDS IN. 27 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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