Acquisition method (AMC)
1
FSC 4820 × VALVE,LIFT-CHECK
VALVE,LIFT-CHECK
4820-00-971-3567 FSC 4820
NSN 4820-00-971-3567 (also written 4820009713567; NIIN 00-971-3567) is a valve, lift-check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL BOSS |
| BONNET TYPE ADSR | INSIDE SCREW |
| BONNET ATTACHMENT METHOD ADST | THREADED |
| DISK LOADING METHOD ADSU | SPRING |
| RENEWABLE SEAT RING TYPE ADZH | PRESSED-IN |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 160.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| OFFSET DISTANCE ACJN | INCHES 0.515 |
| FLOW CONTROL DEVICE ADQU | POPPET |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| MATERIAL MATT | BODY ALUMINUM ALLOY 2014 |
| MATERIAL MATT | SEAT STEEL COMP 440C |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 4,ALLOY 2014 QQ-A-225 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763,CLASS 44-C,COND A QQ-S-763 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF) |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.437 |
| MOUNTING POSITION BBJX | HORIZONTAL |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 128H10107-1 | 05722 | S & L AEROSPACE METALS LLC |
| 128H10107-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 128H10107-1 | 34550 | KHS CORP |
| 128H10107-1 | 65780 | TEK PRECISION CO LIMITED |
| 128H10107-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| MS16625-1125 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 4 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0931 | Oct 23, 2026 | Nov 2, 2026 | 4 | Expired | View at DIBBS → |
| SPE7MC-26-T-225M | Aug 26, 2026 | Sep 25, 2026 | 6 | Expired | View at DIBBS → |
| SPE7MC-26-T-253V | Sep 9, 2026 | Sep 25, 2026 | 14 | Expired | View at DIBBS → |
| SPE7MC-26-T-225K | Aug 26, 2026 | Sep 8, 2026 | 14 | Cancelled | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,LIFT-CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-971-3567/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-971-3567/