PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS845-1889587PC6 1INLocknut,disk Valve

Naval Ship Systems Command · NSN 5310-01-087-7113 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-087-7113 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-087-7113. Primary manufacturer part number: SS845-1889587PC6 1IN.
Features
  • Locknut,disk Valve — FSC 5310
  • General Characteristics Item Description: NICKEL COPPER,FED SPEC QQ-N-281 AND QQ-N-288; FOR 1.000 IN. STOP VALVE IN
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Locknut,disk Valve, cataloged under National Stock Number 5310-01-087-7113, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5310-01-087-7113
Primary Part NumberSS845-1889587PC6 1IN
Item NameLocknut,disk Valve
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER,FED SPEC QQ-N-281 AND QQ-N-288; FOR 1.000 IN. STOP VALVE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-871-893554386 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-043-36262620-902ASSYCF1 1/2INPC4 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-067-365384094-F-940 INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-071-98955160-B1-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-073-58492620-902 ASSYC1-2INPC4 INTERCHANGEABLE
Seat,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-075-6588803-2177934-X7XX-19 INTERCHANGEABLE
Seat,valve
Naval Ship Systems Command
4730-01-088-448470030854 INTERCHANGEABLE
Packing Nut
The Walworth Company
4820-01-105-357251163-F-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-113-07832620-902ASSYB PIECE24 1-2IN INTERCHANGEABLE
Cap,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-117-96702620-902-ASSYB PC 27 INTERCHANGEABLE
Disk,valve
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
SS845-1889587PC6 1IN PRIMARY Naval Ship Systems Command (USA)
1889587PC6-1IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
SS845-1889587 Naval Ship Systems Command (USA)
SS845-1889587PC Naval Sea Systems Command (USA)
Related Parts
4820-00-871-8935INTERCHANGEABLE
SEAT,VALVE
54386
4820-01-043-3626INTERCHANGEABLE
SEAT,VALVE
2620-902ASSYCF1 1/2INPC4
4820-01-067-3653INTERCHANGEABLE
DISK,VALVE
84094-F-940
4820-01-071-9895INTERCHANGEABLE
SEAT,VALVE
5160-B1-380
4820-01-073-5849INTERCHANGEABLE
SEAT,VALVE
2620-902 ASSYC1-2INPC4
4820-01-075-6588INTERCHANGEABLE
SEAT,VALVE
803-2177934-X7XX-19
4730-01-088-4484INTERCHANGEABLE
PACKING NUT
70030854
4820-01-105-3572INTERCHANGEABLE
SEAT,VALVE
51163-F-380
4820-01-113-0783INTERCHANGEABLE
CAP,VALVE
2620-902ASSYB PIECE24 1-2IN
4820-01-117-9670INTERCHANGEABLE
DISK,VALVE
2620-902-ASSYB PC 27
4820-01-118-0381INTERCHANGEABLE
VALVE,ANGLE
803-2177934-C626AF
4820-01-127-3012INTERCHANGEABLE
VALVE,GLOBE
SS845-1889587 ASSYCF 1 1/4IN

Frequently Asked Questions

What is NSN 5310-01-087-7113?

NSN 5310-01-087-7113 is a Locknut,disk Valve, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-087-7113?

NSN 5310-01-087-7113 has 4 cross-referenced part numbers: SS845-1889587PC6 1IN (Naval Ship Systems Command), 1889587PC6-1IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), SS845-1889587 (Naval Ship Systems Command), SS845-1889587PC (Naval Sea Systems Command).

What NSN replaces 5310-01-087-7113?

There are 12 known substitutes for 5310-01-087-7113: 4820-00-871-8935, 4820-01-043-3626, 4820-01-067-3653 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS845-1889587PC6 1IN?

Key specifications for SS845-1889587PC6 1IN: General Characteristics Item Description: NICKEL COPPER,FED SPEC QQ-N-281 AND QQ-N-288; FOR 1.000 IN. STOP VALVE IN. 1 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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