PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16-138Packing,preformed

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 5330-01-354-6621 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-354-6621 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-354-6621. Primary manufacturer part number: 16-138.
Features
  • Packing,preformed — FSC 5330
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Cross-Sectional Shape Style: O-RING
  • 1 verified cross-reference
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-354-6621, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-354-6621
Primary Part Number16-138
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Cross-Sectional Shape StyleO-RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-222-1839B687R-58B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5977-00-239-707931E2460B INTERCHANGEABLE
Brush,electrical Contact
Wisconsin Motors, Llc
4730-00-278-4592SAE J512 5-2 040102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
2990-00-499-9953NW16138 INTERCHANGEABLE
Pipe,tail
Tld Wollard Llc
4920-00-997-652916138 INTERCHANGEABLE
Adjusting Screw
Chicago Steel Tape Co Inc Berger Instruments Co Inc
6636-01-022-733016-13-8 INTERCHANGEABLE
Test Chamber Instrument
Ideal Aerosmith Inc
3010-01-135-745316138 INTERCHANGEABLE
Gear Assembly
Westerbeke Corporation
5365-01-266-47273A5547 INTERCHANGEABLE
Spacer,plate
Link-Belt Cranes, L.p., Lllp
9540-01-296-428016138 INTERCHANGEABLE
Angle,structural
Alcoa/reynolds Metals Company
5330-01-314-8004F16138 INTERCHANGEABLE
Gasket
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
16-138 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
4730-00-222-1839INTERCHANGEABLE
NIPPLE,PIPE
B687R-58B
5977-00-239-7079INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
31E2460B
4730-00-278-4592INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 5-2 040102BA
2990-00-499-9953INTERCHANGEABLE
PIPE,TAIL
NW16138
4920-00-997-6529INTERCHANGEABLE
ADJUSTING SCREW
16138
6636-01-022-7330INTERCHANGEABLE
TEST CHAMBER INSTRUMENT
16-13-8
3010-01-135-7453INTERCHANGEABLE
GEAR ASSEMBLY
16138
5365-01-266-4727INTERCHANGEABLE
SPACER,PLATE
3A5547
9540-01-296-4280INTERCHANGEABLE
ANGLE,STRUCTURAL
16138
5330-01-314-8004INTERCHANGEABLE
GASKET
F16138

Frequently Asked Questions

What is NSN 5330-01-354-6621?

NSN 5330-01-354-6621 is a Packing,preformed, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-354-6621?

NSN 5330-01-354-6621 has 1 cross-referenced part number: 16-138 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 5330-01-354-6621?

There are 10 known substitutes for 5330-01-354-6621: 4730-00-222-1839, 5977-00-239-7079, 4730-00-278-4592 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16-138?

Key specifications for 16-138: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Cross-Sectional Shape Style: O-RING; Special Features: 7-1/4 IN. OD IN. 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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