PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V3997PC19Packing,preformed

Portland Valve Llc · NSN 5330-01-252-7421 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-252-7421 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-252-7421. Primary manufacturer part number: V3997PC19.
Features
  • Packing,preformed — FSC 5330
  • 5 verified cross-references
  • Primary manufacturer: Portland Valve Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-252-7421, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Portland Valve Llc. This item has 5 commercial cross-references from 4 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
NSN5330-01-252-7421
Primary Part NumberV3997PC19
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPortland Valve Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-166-8412AS3209-221 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-559-483889050 INTERCHANGEABLE
O-Ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
Part NumberManufacturer
V3997PC19 PRIMARY Portland Valve Llc (USA)
7093-CITEM8 Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
V7518 Tyco Fire Products Lp (USA)
M83248-1-221 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
V3997 PC 19 Tyco Fire Products Lp (USA)
Related Parts
5331-00-166-8412INTERCHANGEABLE
O-RING
AS3209-221
5331-01-559-4838INTERCHANGEABLE
O-RING
89050

Frequently Asked Questions

What is NSN 5330-01-252-7421?

NSN 5330-01-252-7421 is a Packing,preformed, manufactured by Portland Valve Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-252-7421?

NSN 5330-01-252-7421 has 5 cross-referenced part numbers: V3997PC19 (Portland Valve Llc), 7093-CITEM8 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), V7518 (Tyco Fire Products Lp), M83248-1-221 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), V3997 PC 19 (Tyco Fire Products Lp).

What NSN replaces 5330-01-252-7421?

There are 2 known substitutes for 5330-01-252-7421: 5331-00-166-8412, 5331-01-559-4838. Verify interchangeability with system specifications before substitution.

What are the specifications of V3997PC19?

Key specifications for V3997PC19: Special Features: READY FOR BACK TRANSFER;J6R; 4-22-08.. 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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